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ORIGINAL ARTICLE
Year : 2008  |  Volume : 24  |  Issue : 1  |  Page : 39-43

Laparoscopic radical nephrectomy versus open radical nephrectomy in T1-T3 renal tumors: An outcome analysis


Department of Urology, Muljibhai Patel Urological Hospital, Nadiad - 387 001, Gujarat, India

Correspondence Address:
Mahesh R Desai
Department of Urology, Muljibhai Patel Urological Hospital, Nadiad - 387 001, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-1591.38602

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Aims: To compare laparoscopic radical nephrectomy (LRN) with open radical nephrectomy (ORN) in T1-T3 renal lesions. Materials and Methods: The records of 65 patients who underwent LRN between January 2002 and December 2006 were entered prospectively in a database. The patients were compared with 56 patients who had undergone ORN between January 2000 and December 2005. The two groups were comparable in terms of age, body mass index (BMI) and tumor size. LRN was compared with ORN in terms of operative room time, blood loss, complications , analgesic requirement, hospital stay and start of oral intake. The oncologic efficacy was evaluated in stages T1 and T2 in terms of cancer-free and overall survival. Results: The laparoscopy group had a significantly shorter hospital stay (5.72, range 3-23 days vs. 9.18, range 4-23 days, p value: <0.0001), analgesia requirement (175.65, range 50-550 mg vs. 236, range 0-1100 mg of tramadol, p value: <0.03), hemoglobin decline (1.55, range 0.1 to 4.4 mg/dl vs. 2.25, range 0.2 - 7 mg/dL, p value: <0.001) and hematocrit drop (4.83, range 0.3 - 12.9 vs. 7.06 range 2 -18, p value: <0.0001). The majority of specimens showed renal cell carcinoma. In the laparoscopy group, 29 tumors were T1 stage, 18 were T2, while eight were T3. In the open surgery group, 25 tumors were T1, 19 were T2 and 12 were T3. The cancer-free survival rate at 24 months for ORN and LRN in T1 lesions was 91.7% and 93.15% respectively and the patient survival rate was 100% in both groups. The cancer-free survival rate at 24 months for ORN and LRN in T2 lesions was 88.9% and 94.1%, respectively and the patient survival was 100% and 94%, respectively. After LRN, there was one instance of port site metastasis, local recurrence and distant metastasis. All recurrences were distant after ORN. Conclusion: Laparoscopic radical nephrectomy has advantages in terms of shorter hospitalization and a lower analgesia requirement. It is feasible and produces effective cancer control in T1 lesions, comparable to that of its open counterpart in T2 and selected cases of T3 lesions.


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