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Articles by N. D Patel
Total Records ( 2 ) for N. D Patel
  E. S Weiss , J. G Allen , N. D Patel , S. D Russell , W. A Baumgartner , A. S Shah and J. V. Conte

Introduction— Single-institution series have suggested that men receiving orthotopic heart transplantation from female donors have decreased survival. No multi-institutional series has comprehensively addressed the issue of donor and recipient sex matching for both male and female orthotopic heart transplantation recipients.

Methods and Results— We used data from the multi-institutional prospectively collected United Network for Organ Sharing open transplantation cohort to review 18 240 adult patients who received orthotopic heart transplantation from 1999 to 2007. Four donor recipient strata were identified (male donor/male recipient, N=10 750; female donor/female recipient, N=2201; male donor/female recipient, N=2121; and female donor/male recipient, N=3168). The primary end point of all cause posttransplant mortality was compared among groups using a Cox proportional hazard regression model with additional propensity adjustment. Female recipients, irrespective of donor sex, had 3.6% lower overall survival at 5 years posttransplant (P=0.003). Men who received organs from male donors had the highest cumulative survival at 5 years (74.5%). Men receiving female hearts had a 15% increase in the risk of adjusted cumulative mortality (hazard ratio, 1.15; 95% CI, 1.02 to 1.30; P=0.02). No significant increase in the relative hazard for death occurred for women receiving opposite sex donor organs (1.24; 0.92 to 1.35; P=0.31).

Conclusions— The United Network for Organ Sharing data set has provided a large sample examining donor recipient sex pairing in orthotopic heart transplantation. Men receiving organs for same sex donors have significantly improved short- and long-term survival. No survival advantage was seen for women with same sex donors.

  J. G Allen , E. S Weiss , N. D Patel , D. E Alejo , T. P Fitton , J. A Williams , C. J Barreiro , L. U Nwakanma , S. C Yang , D. E Cameron , V. L Gott and W. A. Baumgartner

The past several years have witnessed a dramatic decline in the number of general surgery residents pursuing cardiothoracic surgery residency training. We believe that attracting individuals to pursue surgical careers should begin during the formative years of medical education. We implemented a program to introduce first-year medical students to cardiothoracic surgery and laboratory research.


In 2003, we began a program providing an introduction to cardiothoracic laboratory research and surgery for medical students. Students are competitively selected for our three-part 8-week summer program. First, students are paired with a cardiothoracic surgery attending for shadowing in clinic and the operating room. Second, students actively participate in large-animal operations in the laboratory. Finally, students complete a clinical research project under the direction of a laboratory resident and faculty mentor. These projects are the students' own. They are responsible for presenting their findings to the division of cardiac surgery at the end of the program.


Since 2003, 18 students have completed the program. Each one has completed a project, collectively resulting in 39 peer-reviewed manuscripts. One student has published 28 peer-reviewed manuscripts. Of 10 students eligible for residency, 8 have applied in general surgery or surgical subspecialty (3 general, 2 plastic, 2 cardiothoracic, and 1 neurosurgery).


Implementing a program to introduce medical students to clinical and laboratory surgery has been successful, as measured by academic productivity. Eighty percent of eligible students entered a surgical field. Programs like these serve to stimulate interest in our specialty.

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