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Title: Non-Angled Intercostal Percutaneous Access under Full Expiration: Safety Is Not an Issue Anymore
Authors: Ajib, Khaled M.
Matta, Imad F.
Zgheib, Joseph T.
Jabbour, Michel E.
Affiliations: Faculty of Medicine 
Keywords: Complications
Percutaneous nephrolithotomy
Renal stone
Issue Date: 2017-01-01
Publisher: National Library of Medicine
Part of: Journal of Endourology
Volume: 31
Issue: 8
Start page: 736
End page: 741
Objective: Percutaneous nephrolithotomy (PCNL) is a well-established procedure for the management of urinary calculi and can be performed intercostally or subcostally. Favoring one approach vs the other is still debatable, and literature has been inconclusive regarding the efficacy and safety of both approaches. Hence, this study aims to assess the safety and efficacy of direct non-angled intercostal technique performed under full expiration and to compare it to the subcostal approach. Methods: PCNL was conducted among 361 patients during 2010-2015 at Saint George Hospital University Medical Center in Beirut, Lebanon. PCNL was done by one operator and by following a standard technique. After reviewing the medical records, 304 patients were included. Data analysis was conducted using Stata/IC 10.0. Bivariate analysis was conducted using Pearson's Chi-square, and logistic regression model was run. Alpha level was set at 0.05. Results: Of the total patients, 54.6% and 45.4% underwent intercostal (Group I) and subcostal (Group II) access, respectively. Mean drop in hemoglobin in Group II was 1.9 g/dL vs 1.48 g/dL in Group I (p-value = 0.0040). The mean difference in operation time between group I (88.61 minutes) and group II (102.58 minutes) was statistically significant (p-value = 0.0064). Patients were stone free in 88.05% of the intercostal cases and 78.52% of the subcostal cases. Group II patients were twice more likely to have residual stones compared to Group I (p-value = 0.029). No statistical significance was observed in postoperative complications among both groups. In addition, no cases of pneumothorax were reported. Conclusion: Compared to subcostal access, intercostal approach under full expiration is a safe technique that provides optimal approach to the intrarenal collecting system and allows less angulation, less bleeding, and yields higher stone clearance with minimal complications. When performed by a well-trained urologist, intercostal access should be advocated in PCNL to obtain a direct non-angled access to the tip of the desired posterior calix.
ISSN: 08927790
DOI: 10.1089/end.2017.0078
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Faculty of Medicine

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