Publications

Journal Papers

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Schutt DJ, Berjano EJ, Haemmerich D. "Effect of electrode thermal conductivity in cardiac radiofrequency catheter ablation: a computational modeling study", Int J Hyperthermia, 25:99-107, 2009.
Haemmerich D, Schutt DJ, Wright AW, Webster JG, Mahvi DM. "Electrical conductivity measurement of excised human metastatic liver tumours before and after thermal ablation", Physiol Meas, 30:459-466, 2009.
dos Santos I, Haemmerich D, Schutt DJ, da Rocha AF, Menezes, LR. "Probabilistic finite element analysis of radiofrequency liver ablation using the unscented transform", Phys Med Biol, 54:627-640, 2009.
dos Santos I, Correia D, Soares AJM, Goes JA, da Rocha AF, Schutt DJ, Haemmerich D. "A surgical device for radiofrequency ablation of large liver tumors", Physiol Meas, 29:N59-70, 2008.
Schutt DJ, Haemmerich D. "Effects of variation in perfusion rates and of perfusion models in computational models of radiofrequency tumor ablation", Medical Physics, 35:3462-70, 2008.
dos Santos I, Haemmerich D, Pinheiro CS, da Rocha AF. "Effect of variable heat transfer coefficient on tissue temperature next to a large vessel during radiofrequency tumor ablation", Biomed Eng Online, 7:21, 2008.
Schutt DJ, Haemmerich D. "Sequential activation of a segmented ground pad reduces skin heating during radiofrequency tumor ablation: Optimization via computational models", IEEE Trans Biomed Eng, 55:1881-9, 2008.
Schutt DJ, O'Rourke A, Will JA, Webster JG, Mahvi DM, Haemmerich D. "An electrode array that minimizes blood loss for radiofrequency-assisted hepatic resection", Med Eng & Phys, 30:454-9, 2008.
Pilcher TA, Saul JP, Hlavacek AM, Haemmerich D. "Contrasting effects of convective flow on catheter ablation lesion size: Cryo vs radiofrequency energy", PACE, 31:300-7, 2008.
Haemmerich D, Schutt DJ. "Sequential activation of multiple grounding pads reduces skin heating during radiofrequency tumor ablation", Int J Hyperthermia, 23:555-66, 2007.
Schramm W, Yang D, Wood BJ, Rattay F, Haemmerich D. "Contribution of direct heating, thermal conduction, and perfusion during radiofrequency and microwave ablation", Open Biomed Eng J, 1:47, 2007.
O'Rourke A, Haemmerich D, Prakash P, Converse M, Mahvi DM, Webster JG. "Current status of liver tumor ablation devices", Expert Rev Med Devices, 4(4):523-537, 2007.
Meredith K, Haemmerich D, Qi C, Mahvi DM. "Hepatic resection but not radiofrequency ablation results in tumor growth and increased growth factor expression", Ann Surg, 245:771-6, 2007.
Wood BJ, Viswanthan A, Locklin J, Kruecker J, Haemmerich D, Cebral J, Sofer A, Klahr P, Cheng R, McReady E, Clearly K, McAuliffe MJ, Yanof J. "Technologies for guidance of radiofrequency ablation in the multimodality interventional suite of the future", J Vasc Interv Radiol, 18:9-24, 2007.
Pilcher TA, Sanford AL, Saul JP, Haemmerich D. "Convective cooling effect on cooled-tip catheter compared to large-tip catheter radiofrequency ablation", PACE, 29:1368-1374, 2006.
Haemmerich D, Wood BJ. "Hepatic radiofrequency ablation at low frequencies preferentially heats tumor tissue", Int J Hyperthermia, 22:563-74, 2006.
Saul JP, Haemmerich D. "Comparison of electrode cooling between internal and open irrigation in radiofrequency ablation lesion depth and incidence of thrombus and steam pop", (Letter), Circulation, 113:e936, 2006.
Laeseke PF, Sampson LA, Haemmerich D, Fine JP, Tatum TM, Winter TC, Lee Jr FT. "Multiple-Electrode RF ablation creates confluent areas of necrosis: in vivo porcine liver results", Radiology, 241:116-124, 2006.
Shah J, dos Santos I, Haemmerich D, Valvano JW. "Instrument to measure the heat convection coefficient on the endothelial surface of arteries and veins", Med Biol Eng Comput, 43:522-27, 2005.
Haemmerich D, dos Santos I, Schutt DJ, Webster JG, Mahvi DM. "In-vitro measurement of temperature-dependent specific heat of liver tissue", Med Eng & Phys, 28:194-197, 2006.
Laeseke PF, Sampson LA, Haemmerich D, Fine JP, Tatum TM, Winter TC, Lee Jr FT. "Multiple-electrode RF ablation: Simultaneous production of separate zones of coagulation in an In Vivo porcine liver model", J Vasc Interv Radiol, 16:1727-1735, 2005.
Haemmerich D, Lee Jr FT, Schutt DJ, Sampson LA, Webster JG, Mahvi DM. "Large-volume radiofrequency ablation of Ex Vivo bovine liver with multiple cooled cluster electrodes", Radiology 234:563-568, 2005.
Haemmerich D, Schutt DJ, dos Santos I, Webster JG, Mahvi DM. "Measurement of temperature-dependent specific heat of biological tissues", Physiol Meas 26:59-67, 2005.
Haemmerich D, Webster JG. "Automatic control of finite element models for temperature-controlled radiofrequency ablation", Biomed Eng Online 4:42, 2005.
Pareek G, Wilkinson ER, Schutt DJ, Will JA, Warner TF, Haemmerich D, Mahvi DM, Nakada SY. "Hemostatic partial nephrectomy using bipolar radiofrequency ablation", Br J Urol 96:1101-1105, 2005.
da Rocha AF, dos Santos I, Nascimento FAO, Haemmerich D, Valvano JW. "Effects of the time response of the temperature sensor on thermodilution measurements", Physiol Meas 26:885-901, 2005.
Haemmerich D, Laeseke PF. "Thermal tumor ablation - Principles, clinical applications and future directions", Int J Hyperthermia, 21:755-760, 2005.
Haemmerich D, Lee Jr FT. "Multiple applicator approaches for radiofrequency and microwave ablation", Int J Hyperthermia 21:93-106, 2005.
Lai YC, Choy YB, Haemmerich D, Vorperian VR, Webster JG. "Lesion size estimator of cardiac radiofrequency ablation at different common locations with different tip temperatures", IEEE Trans Biomed Eng 51:1859-1864, 2004.
Haemmerich D, Chachati L, Wright AS, Mahvi DM, Lee Jr FT, Webster JG. "Hepatic radiofrequency ablation with internally cooled probes: Effect of coolant temperature on lesion size", IEEE Trans Biomed Eng 50:493-500, 2003.
Haemmerich D, Staelin ST, Tungjitkusolmun Tsai J-Z, Webster JG, Mahvi DM. "In Vivo electrical conductivity of hepatic tumours", Physiol Meas 24:251-260, 2003.
Nakada SY, Jerde TJ, Warner TF, Wright AS, Haemmerich D, Mahvi DM, Lee Jr FT. "Bipolar radiofrequency ablation of the kidney: Comparison with monopolar radiofrequency ablation", J Endourol 17:927-33, 2003.
Haemmerich D, Wright AS, Mahvi DM, Lee Jr FT, Webster JG. "Hepatic bipolar radiofrequency ablation creates lesions close to blood vessels - A Finite Element study", Med Biol Eng Comput 41:317-323, 2003.
Lee Jr FT, Haemmerich D, Wright AS, Mahvi DM, Sampson LA, Webster JG. "Multiple probe radiofrequency ablation: Pilot study in an animal model", J Vasc Interv Radiol 14:1437-1442, 2003.
Consiglieri L, dos Santos I, Haemmerich D. "Theoretical analysis of the heat convection coefficient in large vessels and the significance for thermal ablative therapies", Phys Med Biol 48:4125-4134, 2003.
Wright AS, Mahvi DM, Haemmerich D, Lee Jr FT. "Minimally invasive approaches in the management of hepatic tumors", Surg Tech Int 11:144-53, 2003.
Choy YB, Cao H, Tungjitkusolmun S, Tsai J-Z, Haemmerich D, Vorperian VR, Webster JG. "Mechanical compliance of the endocardium", J Biomech 35:1671-1676, 2002.
Tsai J-Z, Will JA, Van Stelle SH, Cao H, Tungjitkusolmun S, Choy YB, Haemmerich D, Vorperian VR, Webster JG. "In vivo measurement of swine myocardial resistivity", IEEE Trans Biomed Eng 49:472-483, 2002.
Tsai J-Z, Will JA, Van Stelle SH, Cao H, Tungjitkusolmun S, Choy YB, Haemmerich D, Vorperian VR, Webster JG. "Error analysis of tissue resistivity measurement", IEEE Trans Biomed Eng 49:484-494, 2002.
Haemmerich D, Ozkan O, Tsai J-Z, Staelin ST, Tungjitkusolmun S, Mahvi DM, Webster, JG. "Changes of electrical resistivity of swine liver after occlusion and postmortem", Med Biol Eng Comput 40:29-33, 2002.
Tungjitkusolmun S, Staelin ST, Haemmerich D, Tsai J-Z, Cao H, Webster JG, Lee Jr FT, Mahvi DM, Vorperian VR. "Three-dimensional finite element analyses for radio-frequency hepatic tumor ablation", IEEE Trans Biomed Eng 49:3-9, 2002.
Tungjitkusolmun S, Haemmerich D, Cao H, Tsai J-Z, Choy YB, Vorperian VR, Webster JG. "Modeling bipolar phase shifted multielectrode catheter ablation", IEEE Trans Biomed Eng 49:10-17, 2002.
Haemmerich D, Tungjitkusolmun S, Staelin ST, Lee Jr FT, Mahvi DM, Webster JG. "Finite element analysis of hepatic multiple probe radio-frequency ablation", IEEE Trans Biomed Eng 49:836-842, 2002.
Cao H, Vorperian VR, Tungjitkusolmun S, Tsai J-Z, Haemmerich D, Choy YB, Webster JG. "Flow effect on lesion formation in radiofrequency cardiac catheter ablation", IEEE Trans Biomed Eng 48:425-433, 2001.
Haemmerich D, Staelin ST, Tungjitkusolmun S, Lee Jr FT, Mahvi DM, Webster JG. "Hepatic bipolar radio-frequency ablation between separated multiprong electrodes", IEEE Trans Biomed Eng 48:1145-1152, 2001.