| 番号 |
タイトル |
説明・解説 |
| ACCURACY |
| M331 |
Sageman WS, Riffenburgh RH, Spiess BD. Equivalence of bioimpedance and thermodilution in measuring cardiac index after cardiac surgery. |
1) Post-CABG; 2) TD comparison; 3) 0.92 correlation (figure 1); 4) 0.95 correlation of change in TD CO to change in ICG CO (figure 6). |
| M389 |
Van De Water JM, Miller TW. Impedance cardiography: The next vital sign technology? Chest. 2003;123(6):2028-2033. |
1) Post CABG; 2) TD comparison; 3) 0.81 correlation to TD; 4) 25% TD to TD variability compared to 6% ICG to ICG variability; 5) Z MARC has higher correlation / lower dif vs. TD than older equations |
| M378 |
Albert N, Hail M, Li J, Young JB. Equivalence of bioimpedance and TD in measuring CO/CI in patients with advanced, decompensated chronic heart failure hosp. in critical care. J Am Coll Cardiol, 2003;41(6 suppl):211A. |
1) CHF in critical care; 2) TD comparison; 3) 0.89 correlation; 4) Study from Cleveland Clinic. |
| M426(E) |
Yung GL, Fedullo PF, Kinninger K, Johnson FW, Channick RN. Comparison of impedance cardiography to direct fick and thermodilution cardiac output determination in pulmonary arterial hypertension. Congest Heart Fail. 2004;10(2 suppl 2):7-10. |
1) Pulmonary hypertension; 2) 3-way comparison with direct Fick, TD, and ICG; 3) TD CO to direct Fick CO 0.89 correlation, 0.19 bias, 0.76 standard deviation; 4) ICG CO to direct Fick CO statistically the same ? 0.84 correlation, -0.24 bias, 0.87 standard deviation. |
| M334 |
Drazner M, Thompson B, Rosenberg P, Yancy C. Comparison of impedance cardiography with invasive hemodynamic measurements in patients with heart failure secondary to ischemic or nonischemic cardiomyopathy. Am J Cardiol. 2002;89(8):993-5. |
1) CHF in cath lab; 2) 3-way comparison with direct Fick, TD, and ICG; 3) TD CO to direct Fick CO 0.81 correlation, 0.75 bias, 0.95 standard deviation; 4) ICG CO to direct Fick CO statistically the same ? 0.73 correlation, 0.74 bias, 1.1 standard deviation. |
| M252 |
Ziegler D, Grotti L, Krucke G. Comparison of cardiac output measurements by TEB vs. intermittent bolus thermodilution in mechanical ventilated patients. Chest. 1999;116(4):281S. |
1) Mechanical ventilation patients; 2) 0.89 correlation. |
| M294 |
DeMaria AN, Raisinghani A. Comparative overview of cardiac output measurement methods: Has impedance cardiography come of age? Congest Heart Fail. 2000;6(2):7-18. |
1) Review article of all pre-BioZ accuracy studies (mixed but mostly poor results) vs. BioZ studies as of March 2000. |
| COMPETITIVE |
| M389 |
Van De Water JM, Miller TW. Impedance cardiography: The next vital sign technology? Chest. 2003;123(6):2028-2033. |
1) Z MARC algorithm has higher correlation and lower differences vs. TD than Kubicek, Sramek, Sramek-Bernstein equations. |
| M200(E) |
Marik P, Pendelton J, Smith R. Comparison of hemodynamic parameters from TEB with parameters from TD. Crit Care Medicine. 1997;25(9):1545-1550. |
1) “IQ”ICG product (from Noninvasive Medical Technologies, previously Wantaugh, previously Renaissance); 2) Poor correlation of 0.08 (not 0.80). |
| M406(E) |
Funk M, Nystrom K, et al. Bioimpedance monitoring in patients with chronic heart failure. J Card Fail. 2003;9 (suppl):S6. |
1) “IQ”ICG product (from Noninvasive Medical Technologies, previously Wantaugh, previously Renaissance; 2) CO correlation of 0.596. |
| M201(E) |
Zacek P, Kunes P, Kohzava E, Dominick J. TEB vs. TD in post open heart surgery. Acta Medica. 1999;42:19-23. |
1) Hemosapiens Hotman Product; 2) Correlation of 0.26. |
| CRITICAL CARE |
| M429(E) |
Silver M, Cianci P, Brennan S, Longeran-Thomas H, Ahmad F. Evaluation of impedance cardiography as an alternative to pulmonary artery catheterization in critically ill patients. Congest Heart Fail. 2004;10(2 suppl 2):17-21 |
1) ICG replaced PAC in 71% of patients with whom a PAC had been considered necessary. |
| M144 |
Hendrickson K. Cost-effectiveness of noninvasive hemodynamic monitoring. AACN Clinical Issues. 1999;10(3):419-426. |
1) Nursing journal; 2) ICG can save $1 to $3K in PAC direct and indirect costs. |
| M243 |
Littmann L, Lasater M. Cost-effectiveness of noninvasive hemodynamic monitoring as a screening tool prior to initiation of inotrope infusion. J Cardiovascular Management. 1999:29-30. |
1) Case study in showing potential for up to $5,300 savings using ICG to initiate and optimize inotropic infusion vs. PAC. |
| DIALYSIS |
| M371 |
Attia A, Hasan K, Sharma N, Mour G, Balsam L. Use of thoracic bioimpedance in determining hypotension during hemodialysis. J Am Soc Nephrol. 2002;13(suppl):212A. |
1) There was an overall decrease in BP and TFC postdialysis but was not significant between the two groups. 2) Using ICG parameters can help to identify the patients who could benefit from a peripheral vasoconstrictor or low temperature dialysis. |
| M407(E) |
Ahmed Z, Pareek R, Elivera H et al. Hemodynamic monitoring during hemodialysis using noninvasive impedance cardiography. J Am Soc Nephrol. 2003;14:872A. |
1) HD changes during hemodialysis have multifactorial causes and are due to a combination of SVR and CO changes. |
| M408(E) |
Coritsidis GN, Said YM, Moneim AM. Hemodynamic changes in diabetics during hemodialysis. J Am Soc Nephrol. 2003;14:855A. |
1) BP instability in DM during dialysis appears to be due more to autonomic neuropathy as demonstrated by lower HR and SVRI. |
| DYSPNEA |
| M403 |
Peacock F, Summers R, Emerman C. Emergent dyspnea impedance cardiography-aided assessment changes therapy: The ED IMPACT trial. Ann Emerg Med. 2003:42(4):S82. |
1) ICG data resulted in diagnosis changes in 3 (5.4%) of the patients. 2) ICG data resulted in medication changes in 13 (23.6%) of the patients. |
| M428(E) |
Springfield C, Sebat F, Johnson D, Lengle S, Sebat C. Utility of impedance cardiography to determine cardiac vs. noncardiac cause of dyspnea in the emergency department. Congest Heart Fail. 2004;10(2 suppl 2):14-16. |
1) Diagnostic role; 2) CI, STR and VI showed significant differences between cardiac and noncardiac patients. 3) ICG showed a 92% sensitivity and 88% specificity at determining cardiac vs. non-cardiac cause of dyspnea; 4) ICG took less time than other diagnostic tests. |
| M343(E) |
Han J, Lindsell C, Tsurov B, Storrow A. The clinical utility of impedance cardiography in diagnosing Congest Heart Fail in dyspneic emergency department patients. Acad Emerg Med. 2002;9(5):439-440. |
1) Diagnostic role; 2) SI, CI, PEP, and PEP were significantly different in dyspneic HF patients vs. non-CHF patients. |
| M224 |
Marrocco A, Eskin B, Nashed AH, Allegra JR, Mandell M. Noninvasive bioimpedance monitoring differentiates cardiogenic from pulmonary causes of acute dyspnea in the emergency department. Acad Emerg Med. 1998;5(5):476-477. |
1) Diagnostic role; 2) CI < 3.7 showed 100% sensitivity and 48% specificity & SI <32 showed 76% sensitivity and 65% specificity in determining dyspnea due to cardiac cause. |
| EMERGENCY |
| M403 |
Peacock F, Summers R, Emerman C. Emergent dyspnea impedance cardiography-aided assessment changes therapy: The ED IMPACT trial. Ann Emerg Med. 2003:42(4):S82. |
1) ICG data resulted in diagnosis changes in 3 (5.4%) of the patients; 2) ICG data resulted in medication changes in 13 (23.6%) of the patients. |
| M428(E) |
Springfield C, Sebat F, Johnson D, Lengle S, Sebat C. Utility of impedance cardiography to determine cardiac vs. noncardiac cause of dyspnea in the emergency department. Congest Heart Fail. 2004;10(2 suppl 2):14-16. |
1) Diagnostic role; 2) CI, STR and VI showed significant differences between cardiac and noncardiac patients. 3) ICG showed a 92% sensitivity and 88% specificity at determining cardiac vs. non-cardiac cause of dyspnea; 4) ICG took less time than other diagnostic tests. |
| M256 |
Milzman D, Morrisey J, Pugh C, Napoli A, Gerace T, Fernandez E. Occult perfusion deficits in heart failure patients: identification through noninvasive central hemodynamic monitoring. Crit Care Med. 1999;27(12):A88. |
1) Prognostic role; 2) SV > 80 had 3.5 day avrg. LOS and $7,800 in charges, SV <80 had 12 day avrg. LOS and $27,000 in charges; 2) Standard vitals of HR, BP, temp were not prognostic for LOS / charges. |
| M268 |
Guss DA, Neath S, Lazio L. The utility of impedance cardiography in the emergency department. J Acad Emerg Med. 2000;7(5):548-549. |
1) ICG cannot be reliably estimated by treating physician ? CO right 50% of time, SVR right 52% of time; 2) Incorrect estimation led to potentially incorrect therapy in 14% of patients |
| M343(E) |
Han J, Lindsell C, Tsurov B, Storrow A. The clinical utility of impedance cardiography in diagnosing congest heart fail in dyspneic emergency department patients. Acad Emerg Med. 2002;9(5):439-440. |
1) Diagnostic role; 2) SI, CI, PEP, and PEP were significantly different in dyspneic HF patients vs. non-CHF patients. |
| M141(E) |
Milzman D, Batiatta A, Zlidenny A, Janchar T. Noninvasive cardiac output monitoring improves the acute resuscitation of congest heart fail in the ED beyond vital signs. Crit Care Med. 1998;26(1 suppl):A62. |
1) No correlation of CI to blood pressure; 2) Physicians could not exceed 50% correct estimation of SV in tachycardia and normal HR states. |
| M290 |
Neath SX, Guss DA, Lazio L. Physician assessment of impedance cardiography measurement of hemodynamic parameters in the emergency department. Ann Emerg Med. 2000;36(4):S13. |
1) ICG rated useful in 45% of ED patients. |
| M385 |
Summers R, Shoemaker W, Peacock WF, Ander D, Coleman T. Bench to Bedside Series: Impedance Cardiography (ICG). Acad Emerg Med. 2002:10(6);669-680. |
1) Review article on use of ICG in emergency medicine; 2) Does not note specific ICG manufacturers. |
| M291 |
Milzman D, Samaddar R, Napoli A, Gerace T, Douglas K, Mecagni, G. The predictive value of noninvasive impedance cardiography in determining patient outcome in acute heart failure: A prospective blinded study. Ann Emerg Med. 2000;36(4):S4-S5. |
1) CI better predicts charges than any other vital sign. |
| M357 |
Kazanegra R, Barcarse E, Chen A, Maisel A. Plasma levels of B ? type natriuretic peptide (BNP) and non-invasive cardiac index in diagnosing congest heart fail in the emergency department. J Card Fail. 2002;8(suppl):S84. |
1) Diagnostic role with BNP in systolic vs. diastolic HF; 2) ICG CI added to BNP helped determine whether patients had systolic or diastolic HF. |
| M257 |
Milzman D, Napoli A, Gerace T, Cousins-Mears H, Zlidenny A, Samaddar R, Moskowitz L. Acute treatment of heart failure with impedance cardiography monitoring of cardiac index and the ability to improve patient outcome. Crit Care Med. 1999;27(12):A47. |
1) CI is lower in Class III/IV ? other vitals don’t show this. |
| M440(E) |
Peacock WF, Albert NM, Kies P, White RD, Emerman CL. Bioimpedance monitoring: Better than chest x-ray for predicting abnormal pulmonary fluid? Congest Heart Fail. 2000;6(2):32-35. |
1) Baseline impedance (Z) is different in patients with pulmonary edema than without; 2) Performed with Renaissance IQ ICG device. |
| M224 |
Marrocco A, Eskin B, Nashed AH, Allegra JR, Mandell M. Noninvasive bioimpedance monitoring differentiates cardiogenic from pulmonary causes of acute dyspnea in the ED. Acad Emerg Med. 1998;5(5):476-477. |
1) Diagnostic role; 2) CI < 3.7 showed 100% sensitivity and 48% specificity & SI <32 showed 76% sensitivity and 65% specificity in determining dyspnea due to cardiac cause. |
| M260 |
MD News Reprint 02/00, Regional Emergency Department |
1) Non-clinical overview of ICG use in the ED. |
| GUIDELINES |
| (E) |
Hunt, SA, Baker DW, Chin MH, et al. ACC/AHA guidelines for the evaluation and management of chronic heart failure in the adult: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines. 2001. AmericanCollegeof Cardiology Web site. http://www.acc.org/clinical/guidleines/failure/hf_index.htm. |
1) Full text of ACC/AHA practice guidelines on characterization, clinical assessment and management of heart failure patients. |
| (E) |
Allhat Collaborative Research Group. Major outcomes in high-risk hypertensive patients randomized to angiotensin-converting enzyme inhibitor or calcium channel blocker vs. diuretic. JAMA. 2002;286(23):2981-2997. |
1) Randomized double-blind, active-controlled clinical trial conducted from February 1994-March 2002. 2) Thiazide-type diuretics should be the first-step anihypertensive therapy. |
| (E) |
Chobanian,A, Bakris, G, Black H, et al. The seventh report of the joint national committee on prevention, detection, evaluation, and treatment of high blood pressure: The JNC 7 Report. JAMA 2003;289 (13)2560-2572. |
1) Provides a new guideline for hypertension prevention and management. |
| HEART FAILURE |
| M425(E) |
Strobeck J, Silver M. Beyond the four quadrants: The critical and emerging role of impedance cardiography in heart failure. Congest Heart Fail. 2004;10(2suppl 2):1-6. |
1) Overview of the application of ICG with the HF clinical profile model. 2) HF algorithm based on model provided. |
| M395 |
Yancy C, Abraham W. Noninvasive hemodynamic monitoring in heart failure: Utilization of impedance cardiography. Congest Heart Fail. 2003;9(5) 241-250. |
1) Overview of heart failure, ICG technology, validity studies, application studies, currently active trials, and an algorithm for treatment using ICG; 2) Case studies at end. |
| M430(E) |
Vijayaraghavan K, Crum S, Cherukuri S, Barnett-Avery L. Association of impedance cardiography parameters with changes in functional and quality-of-life measures in patients with chronic heart failure. Congest Heart Fail. 2004;10(2 suppl 2):22-27. |
1) Prognostic value; 2) ICG parameters racked with functional (NYHA and six minute walk) and qualify of life indicators (Visual Analog Scale, Living with Heart Failure score). |
| M398 |
Zewail A, Broom C, Delgado R. Use of systolic time ratio and B-type natriuretic peptide to predict mortality in patients with heart failure. J Card Fail. 2003;9(suppl):S105. |
1) A higher mortality is associated with a higher STR. 2) STR may be useful in the prognosis and management of outpatients with heart failure. |
| M427(E) |
Parrott C, Burnham K, Quale C, Lewis D. Comparison of changes in ejection fraction to changes in impedance cardiography cardiac index and systolic time ratio. Congest Heart Fail. 2004;10(2 suppl 2):11-13. |
1) ICG CI and STR highly correlated with changes in EF (0.85, -0.73). 2) ICG may be a method of monitoring left ventricular function. |
| M431(E) |
Summers R, Parrott C, Quale C, Lewis D. Use of in noninvasive hemodynamics to aid decision making in the initiation and titration of neurohormonal agents. Congest Heart Fail. 2004;10(2 suppl 2):28-31. |
1) Three case reports on utilization of ICG in nesiritide therapy, ACEI, and carvedilol initiation and up-titration. |
| M442(E) |
Ventura HO, Pranulis MF, Young C, Smart FW. Impedance cardiography: A bridge between research and clinical practice in the treatment of heart failure. Congest Heart Fail. 2000;6(2):40-47. |
1) Case studies with overview of clinical utility, emphasis on use in research. 2) One case study showing wedge pressure drop with corresponding TFC drop. |
| M439(E) |
Wright RF, Gilbert J. Clinical decision making in patients with congestive heart failure: The role of thoracic electrical bioimpedance.Congest Heart Fail. 2000;6(2):27-31. |
1) Case studies with overview of clinical utility, emphasis on use in clinical care. |
| M277 |
Silver MA, Cianci P, Lazzara DJ. Utility of outpatient thoracic bioimpedance measurements in patients with advanced heart failure. Heart Failure Institute, Christ Hospital and Medical Center. 1999 (non-published). |
1) Non-published data from HF clinic using ICG to attenuate hospital admission in 6 of 7 (86%) patients who were previously intended for hospital admission. |
| M392(E) |
Silver M, Pisano C, Cianci P. Outpatient management of heart failure: Program development and experience in clinical practice. Advocate Christ Medical Center, Oak Lawn, IL. Post Graduate Institute for Medicine. 2003. |
1) Overview of treatment of HF with ICG included for standard assessment and follow up. 2) Nesiritide algorithm including ICG; 3) Case study with ICG data reported. |
| M437(E) |
Strobeck JE, Silver MA, Ventura H. Impedance cardiography: Noninvasive measurement of cardiac stroke volume and thoracic fluid content. Congest Heart Fail. 2000;6(2):3-6. |
1) Editorial with overview of technology, broad applications. |
| M287 |
Szerlip M, Ventura H, Muhammad K, Young C, Stapleton D, Smart F. Noninvasive impedance cardiography as an adjunctive tool to predict clinical status and outcomes in patients with advanced heart failure. J Card Fail. 2000;6(3):79. |
1) Prognostic value; 2) Low CI patients with unremarkable physical exam were more likely to be hospitalized than those with normal CI. |
| M357 |
Kazanegra R, Barcarse E, Chen A, Maisel A. Plasma levels of B ? type natriuretic peptide (BNP) and non-invasive cardiac index in diagnosing congest heart fail in the emergency department. J Card Fail. 2002;8(suppl):S84. |
1) Diagnostic value in ED; 2) ICG CI added to BNP helped determine whether patients had systolic or diastolic HF. |
| M401(E) |
Squires J, Vora K. Results from a pilot study to determine the feasibility in transitioning outpatient CHF patients from intermittent intravenous inotrope therapy to nesiritide. J Card Fail. 2003:9(suppl):S90. |
1) Nesiritide to maintain/improve hemodynamics and symptoms of CHF patients. 2) There were no differences in HD measurements between those that received milrinone or dobutamine and those who received nesiritide. |
| M396(E) |
Mulki G, Pisano C Silver M. Safety and efficacy of intermittent, short-term, outpatient nesiritide infusions for the treatment of decompensated heart failure.J Card Fail. 2003:9(suppl):S68. |
1) Evaluates the safety and efficacy of intermittent OP nesiritide. 2) ICG measurements of CI, SVRI, and TFC were all significantly improved following Nesiritide treatment. |
| M397(E) |
Cianci P, Silver M. Bedside use of thoracic bioimpedance to document and monitor heart failure with preserved systolic function: Delineation of impaired stroke volume reserve. J Card Fail. 2003:9(suppl):S95. |
1) Diastolic HF patients have stroke volume impairment. 2) There was an improvement in SV after exercise and drug therapy. |
| M356(E) |
Ranaei R, Heywood J, Elatra W. Assessment of contractility and total arterial compliance by impedance cardiography determined parameters.J Card Fail. 2002;8(4 Suppl):S97. |
1) VI relationship to EF. |
| M265(E) |
Rosenberg P, Yancy CW. Noninvasive assessment of hemodynamics: An emphasis on impedance cardiography. Curt Opin Cardiol. 2000;15:151-155. |
1) Review of application in HF |
| M266(E) |
Weinhold C, Reichenspurner H, Fulle P, Nollert G, Reichart B. Registration of thoracic electrical bioimpedance for early diagnosis of rejection after heart transplantation. J Heart Lung Transplant. 1993;12:832-836. |
1) Heart transplant; 2) ACI use to determine rejection of organ; 3) 71% sensitivity and 100% specificity. |
| M148 |
Gilbert J, Lazio L. Managing congest heart failure with thoracic electrical bioimpedance. AACN Clinical Issues. 1999;10(3):400-405. |
1) Nursing journal case studies with overview of clinical utility. |
| M399(E) |
Lawless C. Correlation of B-type natriuretic peptide and norepinephrine with resting hemodynamics obtained by thoracic bioimpedance in heart failure patients. J Card Fail. 2003:9(suppl):S37 |
1) Falling BNP levels have shown correlation with falling wedge pressure. 2) TFC correlated significantly with BNP levels. 3) TFC might be a method for determining severity of HF. |
| M147 |
Lasater M. Managing inotrope therapy noninvasively. AACN Clinical Issues. 1999;10(3):406-413. |
1) Nursing journal review and case study of use of ICG in intermittent and continuous inotropic infusions. |
| M243 |
Littmann L, Lasater M. Cost-effectiveness of noninvasive hemodynamic monitoring as a screening tool prior to initiation of inotrope infusion.J Cardiovascular Management. 1999:29-30. |
1) Case study in showing potential for up to $5,300 savings using ICG to initiate and optimize inotropic infusion vs. PAC. |
| M419(E) |
Ramirez M, Marinas C, Yamamoto M, Caguioa E. Impedance cardiography in heart failure patients in the intensive care unit: its value in the detection of left ventricular systolic dysfunction and correlation with the echocardiogram. JACC. 2004;43(5 Suppl A):207A. |
1) Comparison to the standard echocardiogram, ICG was 70% sensitive and 73% specific in identifying patients with systolic dysfunction. 2) ACI correlated to systolic dysfunction at p <0.01. |
| M288 |
Choudhary G, Fayn E, Vrushab R, Kumbar C, Antonio C, Just V, Clark WA, Papp MA. Intermittent milrinone and beta blocker therapy: Hemodynamic (bioz) indicators of successful weaning from inotropes.J Card Fail. 2000;6(3):73. |
1) Patients being weaned off IV milrinone-assisted beta blocker titration after reaching target dose; 2) SVRI significantly lower in patients who failed weaning. |
| M295(E) |
Von Rueden K. Outpatient hemodynamic monitoring of patients with heart failure. J Cardiovasc Nurs. 2002;16(3):62-71. |
1) Nursing journal review of use in HF. |
| M390 |
Lasater M, VonRueden K. Outpatient Cardiovascular Management Utilizing Impedance Cardiography. AACN Clinical Issues. 2003;14(2):240-250. |
1) Overview of ICG and application in HF (with case studies), HTN, pacing. |
| HYPERTENSION |
| M341 |
Taler SJ, Textor SC, Augustine JE. Resistant hypertension: Comparing hemodynamic management to specialist care. Hypertension. 2002;39:982-988. |
1) Res HTN; 2) 70% improvement (56% vs. 34%) in BP control (<140/<90) with ICG vs. specialist care; 3) Mayo Clinic. |
| M413 |
Sharman DH, Gomes CP, Rutherford JP. Improvement in blood pressure control with impedance cardiograph-guided pharmacologic decision making. Congest Heart Fail. 2004;10:54-58. |
1) Community generalist setting 2) 57.1% achieved BP control with ICG. |
| M441(E) |
Taler SJ, Augustine J, Textor SC. A hemodynamic approach to resistant hypertension. Congest Heart Fail. 2000;6(2):36-39. |
1) Case study and description of role of hemodynamics in hypertension control; 2) TFC in normals vs. TFC in volume overloaded. |
| M279 |
Taler SJ, Augustine J, Burnett JC, Textor SC. Hemodynamic and volume changes during intensive treatment (Rx) for resistant hypertension (ResHTN). Am J Hypertens. 2000;13(4):61A-62A. |
1) When ANP levels rise in resistant HTN, TFC levels also rise. |
| M318 |
Lang M. Noninvasive hemodynamic-driven care management. Achieving quality patient outcomes across a continuum of care.Cardiovascular Disease Management. 2001;7(8):1-3. |
1) Review piece in non-clinical journal; 2) Interview and quotes from Dr. John Strobeck: “Measurement of SVR is essentially a surrogate marker for endothelial dysfunction.” |
| M250 |
Taler SJ, Augustine J, Schwartz L, Textor SC. Hemodynamics of resistant hypertension in the current era. Am J Hypertens. 1999;12:6A-7A. |
1) Characterization of altered hemodynamic profile in resistant HTN vs. normals. |
| M248 |
Sramek BB, Tichy JA, Hojerova M, Cervenka V. Normohemodynamic goal-oriented antihypertensive therapy improves the outcome. Am J Hypertension. 1996;9(4):141A. |
1) 63% control of BP in one therapeutic intervention in 322 patients who were previously uncontrolled; 2) Importance of normohemodynamic state in addition to normotension. |
| OVERVIEW OF CLINICAL APPLICATION |
| M437(E) |
Strobeck JE, Silver MA, Ventura H. Impedance cardiography: Noninvasive measurement of cardiac stroke volume and thoracic fluid content. Congest Heart Fail. 2000;6(2):3-6. |
1) Editorial with overview of technology, broad applications. |
| M390 |
Lasater M, Von Rueden K. Outpatient cardiovascular management utilizing ICG. AACN Clinical Issues. 2003:14(2):240-250. |
1) Overview of ICG and application in HF (with case studies), HTN, pacing. |
| M247(E) |
Strobeck J. 5/99, Overview of Clinical Utility of the BioZ.com (non-published). |
1) Non-published overview and specific clinical applications by disease state. |
| M270 |
Pranulis M. Impedance cardiography (ICG) noninvasive hemodynamic monitoring provides as opportunity to deliver cost effective quality care for patients with cardiovascular disorders. J Cardiovascular Management. 2000;11(3):13-18. |
1) Overview of ICG application in HF, HTN, and pacing. |
| M106 |
1999 TEB Clinical Studies Reference Guide, (Pre-Jan 1999 Studies). |
1) Summary of older ICG studies. |
| M318 |
Lang M. Noninvasive hemodynamic-driven care management. Achieving quality patient outcomes across a continuum of care. Cardiovascular Disease Management. 2001;7(8):1-3. |
1) Review piece in non-clinical journal; 2) Interview and quotes from Dr. John Strobeck: “Measurement of SVR is essentially a surrogate marker for endothelial dysfunction.” |
| OTHER TECHNOLOGIES |
| M404(E) |
Kosowsky JM, Weiner C, Morrissey JH. Impact of B-type natriuretic peptide testing on medical decision-making for older patients with dyspnea. Ann Emerg Med. 2003:42(4):S11. |
1) BNP changed diagnosis in older patients 10.2%. 2) BNP changed treatment in older patients 11.4%. |
| M436(E) |
Summers R, Anders R, Woodward L, Jenkins A, Galli R. Effect of routine pulse oximetry measurements on ED triage classification. J Emerg Med 1999;16:5-7. |
1) Pulse oximetry measurements changed triage classification in ED patients 2.8%. |
| PACING |
| M384 |
Tse H, Yu C, Park E, Lau C. Impedance cardiography for atrioventricular interval optimization during permanent left ventricular pacing.Pacing Clin Electrophysiol. 2003;26(Pt. II):189-191. |
1) ICG AV delay matched echo optimal AV delay in 5 of 6 patients. |
| M298 |
Johnson B, Voegtlin L, Bailin S, Hoyt R. Impedance cardiography for acute pacing AV optimization. J Card Fail. 2001;7(3 suppl):52. |
1) Acute pacing environment; 2) ICG demonstrates large differences in hemodynamics at different AV delays. |
| M215 |
Hayes DL, Hayes SN, Hyberger LK. Atrioventricular interval optimization technique: Impedance measurements vs. echo doppler. Pacing Clin Electrophysiol. 1998;21(4):969. |
1) Exact match in 10 of 14 patients (71%), others small differences. |
| M433(E) |
Santos JF, Parreira L, Madeira J, Fonseca N, Soares LN Ines L. Noninvasive hemodynamic monitorization for AV interval optimization in patients with ventricular resynchronization therapy. Rev Port Cardiol. 2003;(9):1091-8. |
1) 7 patients with cardioverter-defibrillator CRT 2)Optimum AV delay based on ICG CO correlated r=0.844 with transmitral flow puled Doppler. |
| M432(E) |
Adachi H, Hiratsuji T, Sakurai S, Tada H, Toyama T, Naito S, Hoshizaki H, Oshima S, Taniguchi K. Impedance cardiography and quantitative tissue doppler echocardiography for evaluating the effect of cardiac resynchronization therapy: A case report. J Cardiol. 2003;42(1):37-42. |
1) Case study of AV optimization of an individual with cardiomyopathy. |
| M145 |
Belott P. Bioimpedance in the pacemaker clinic. AACN Clinical Issues. 1999;10(3):414-418. |
1) Review article on pacing optimization; 2) Note: See Tech Memo M366 for pacing optimization. |
| M254 |
Silver MA, Ventura HO. Difficult cases in heart failure. Congest Heart Fail. 1999;5:235-237. |
1) Case study of AV optimization of hospitalized HF patient. |
| M262 |
Hayes DL, Hayes SN, Hyberger LK, Trusty JM, Klein S, Hagen ME, Hodge DO. Atrioventricular interval optimization after biventricular pacing: Echo/Doppler vs. impedance plethysmography. Pacing Clin Electrophysiol. 2000;23(4):59. |
1) AV delay with ICG same as echo in 67%, small differences in others. |
| M276 |
Chudzik M, Wranicz JK, Cygankiewicz I, Zrobeck J, Bartczak K, Wojtasik L, Kargul W. Does permanent right ventricular pacing in resting patients with chronic atrial fibrillation improve hemodynamic parameters guided by thoracic electrical bioimpedance? J Heart Fail. 2000;6(1):143-144. |
1) ICG use to demonstrate hemodynamic improvement in right ventricular pacing in patients with AF. |
| PAC |
| M212(E) |
Connors AF, Speroff T, et al. The effectiveness of right heart catheterization in the initial care of critically ill patients. JAMA. 1996;276 (11):889-897. |
1) PAC patients 1.24 odds ratio for increased mortality, $13,600 in increased cost, 1.8 more days in LOS. |
| M388(E) |
Sandham JD, Hull RD Brant RF, et al. A randomized, controlled trial of the use of pulmonary-artery catheters in high-risk surgical patients. N Engl J Med. 2003;348(1):5-14. |
1) No benefit to therapy directed by PAC over standard care of high risk ICU surgical patients. |
| REPRODUCIBILITY |
| M242 |
Verhoeve PE, Cadwell CA, Tsadok S. Reproducibility of noninvasive bioimpedance measurements of cardiac function. J Card Fail. 1998;4(3 suppl):53. |
1) CAD; 2) Expected % variation from day to day in patients not undergoing therapeutic interventions. |
| M438(E) |
Greenberg BH, Hermann DD, Pranulis MF, Lazio L, Cloutier D. Reproducibility of impedance cardiography hemodynamic measures in clinically stable heart failure patients. Congest Heart Fail. 2000;6(2):19-26. |
1) CHF; 2) Interday correlation and bias by parameter. |
| M389 |
Van De Water JM, Miller TW. Impedance cardiography: The next vital sign technology? Chest. 2003;123(6):2028-2033. |
1) Post CABG; 2) 25% TD to TD variability compared to 6% ICG to ICG variability. |
| TECHNOLOGY |
| M269 |
Lasater M. Impedance Cardiography: A Method of Noninvasive CO Monitoring. AACN News 2000: 17(5):12-14. |
1) Basic overview. |
| M149 |
Osypka MJ, Bernstein DP. Electrophysiologic principles and theory of stroke volume determination by thoracic electrical bioimpedance.AACN Clinical Issues. 1999;10(3):385-399. |
1) Comprehensive overview. |
| M229 |
Lasater M. The view within: The emerging technology of thoracic electrical bioimpedance. Critical Care Nursing Quarterly. 1998;21(3):97-101. |
1) Basic overview. |
| M146 |
Tsadok S. The historical evolution of bioimpedance. AACN Clinical Issues. 1999;10(3):371-384. |
1) History of ICG. |
| M285 |
Baura, Intra-Sensor Spacing and Sensor Placement Variability on ICG Parameters (non-published). |
1) Changing intra-sensor spacing significantly affects parameter values ? fixed distance sensors must be used. |
| TECHNICAL MEMOS |
| M366 (E) |
Pacemaker Optimization |
Steps to optimize a pacemaker with ICG. |
| M367 (E) |
Biventricular Pacing |
Notification not to use on patients with bivent pacemakers with ventricle to ventricle timing interval. |
| M368 (E) |
Blood Pressure Seated vs. Supine |
Steps to take correct BP and why BP measurements differ. |
| M373 (E) |
Thoracic Fluid Content |
Comprehensive overview on TFC. |
| TFC |
| M370(E) |
Taler S. Volume control in treatment of resistant hypertension: dissociation between cardiopulmonary volume, ANP and declining GFR.J Am Soc Neph. 2001;12(Suppl);1492A. |
1) TFC and ANP move together and reflect reduced blood volume due to diuretic response. |
| M279 |
Taler SJ, Augustine J, Burnett JC, Textor SC. Hemodynamic and volume changes during intensive treatment (Rx) for resistant hypertension (ResHTN). Am J Hypertens. 2000;13(4):61A-62A. |
1) When ANP levels rise in resistant HTN, TFC levels also rise. |
| M334 |
Drazner M, Thompson B, Rosenberg P, Yancy C. Comparison of impedance cardiography with invasive hemodynamic measurements in patients with heart failure secondary to ischemic or noninschemic cardiomyopathy. Am J Cardiol. 2002;89(8):993-5. |
1) Single measurement of TFC does not correlate to single measurement of wedge pressure. |
| M442(E) |
Ventura HO, Pranulis MF, Young C, Smart FW. Impedance cardiography: A bridge between research and clinical practice in the treatment of heart failure. Congest Heart Fail. 2000;6(2):40-47. |
1) Case study page 45-46 shows wedge pressure falling with TFC falling. |
| M440(E) |
Peacock WF, Albert NM, Kies P,White RD, Emerman CL. Bioimpedance monitoring: Better than chest x-ray for predicting abnormal pulmonary fluid? Congest Heart Fail. 2000;6(2):32-35. |
1) Baseline impedance (Z) is different in patients with pulmonary edema than without; 2) Performed with Renaissance IQ ICG device. |
