Lobectomy with tangential pulmonary artery resection without regard to pulmonary function.

Shrager JB, Lambright ES, McGrath CM, Wahl PM, Deeb ME, Friedberg JS, Kaiser LR
Ann Thorac Surg. 2000 70 (1): 234-9

PMID: 10921714 · DOI:10.1016/s0003-4975(00)01492-2

BACKGROUND - Non-small cell carcinoma of the lung invading the pulmonary artery (PA) has traditionally been treated by pneumonectomy. Although PA resection and reconstruction (PAR) has begun to gain acceptance, previous series of PAR by the simplest technique of tangential excision and primary repair have been unfavorable. We have maintained a policy of performing PAR preferentially whenever anatomically feasible, and usually this has been possible by tangential excision and primary repair. This study sought to determine if this approach is sound.

METHODS - Retrospective clinical and pathologic review.

RESULTS - Thirty-three PARs were performed from 1992 to 1999. The patients, followed 6 to 65 months (mean 25), were aged 36 to 80 years (mean 61), and their tumors were pathologic stage IB (n = 7), IIB (n = 13), IIIA (n = 9), and IIIB (n = 4). The mean preoperative forced expiratory volume in 1 second was 70% predicted. The procedures included 14 bronchial sleeve lobectomies with PAR and 19 simple lobectomies with PAR. The PARs were performed without heparinization and included 19 tangential excisions with primary closure, 11 larger tangential excisions with pericardial patch closure, and 3 sleeve resections. There were no operative deaths and 2 (6.1%) early major complications, all unrelated to the PAR. Thirteen patients (39%) had early minor complications. Four-year Kaplan-Meier survival was 48.3% for stages I/II and 45% for stage III. Ipsilateral, central, intrathoracic recurrence occurred in 3 patients (9.1%).

CONCLUSIONS - These data are not dramatically different from those reported for standard resections. Although the numbers are small, the results suggest that lobectomy with PAR by tangential excision is an acceptable alternative to pneumonectomy whenever anatomically possible.

MeSH Terms (16)

Adult Aged Aged, 80 and over Carcinoma, Non-Small-Cell Lung Female Follow-Up Studies Humans Lung Neoplasms Male Middle Aged Pneumonectomy Pulmonary Artery Retrospective Studies Survival Rate Vascular Neoplasms Vascular Surgical Procedures

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