Abstract:
OBJECTIVES:To perform a retrospective analysis to determine the operative morbidity in patients with substantial comorbidities requiring renal surgery. Increasing numbers of patients requiring renal surgery are presenting with substantial comorbidities, such as diabetes mellitus, chronic obstructive pulmonary disease, and cardiovascular disease. METHODS:The American Society of Anesthesiologists (ASA) physical status classification was used to define perioperative risk. Of 1087 patients who underwent nephrectomy between 1989 and 2001, 237 patients were classified as ASA classification 1 or 2 (low risk), 297 were ASA classification 3 (intermediate risk), and 17 were ASA classification 4 (high risk). RESULTS:No statistically significant differences were found among the low-risk, intermediate-risk, or high-risk patients with regard to 1997 T stage distribution, mean tumor size, vascular and/or inferior vena cava involvement, percentage of partial nephrectomy, adjacent organ resection, or preoperative hemoglobin. Intermediate-risk patients did have a greater estimated blood loss (946 versus 739 mL, P = 0.05), leading to greater transfusion rates (42% versus 28%, P = 0.001). However, no increase occurred in intraoperative or postoperative morbidity. High-risk patients also had greater transfusion rates, as well as a greater rate of complications occurring more than 24 hours after surgery. CONCLUSIONS:Partial or radical nephrectomy can be offered to patients with comorbid conditions. ASA classification 3 patients are more likely to require transfusion. This may have been a result of a lower threshold to transfuse patients with preoperative morbidities. However, the perioperative and postoperative complication rates were similar to those of low-risk patients. Not surprisingly, high-risk patients had greater rates of transfusions and complications.
journal_name
Urologyjournal_title
Urologyauthors
Han KR,Kim HL,Pantuck AJ,Dorey FJ,Figlin RA,Belldegrun ASdoi
10.1016/j.urology.2003.12.048subject
Has Abstractpub_date
2004-05-01 00:00:00pages
841-6; discussion 846-7issue
5eissn
0090-4295issn
1527-9995pii
S0090429504001992journal_volume
63pub_type
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