Author

Peter Osuala

3 papers indexed here

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Open access Aug 2026

EP 515 Does Prior Diagnosis of Gallstone Disease Influence Severity, Operative Time, and Intra-Operative Management? A Single-Centre Cohort Analysis

We examined whether a previously known diagnosis (PK) is associated with severity at presentation, operative time, and intra-operative management compared with first-presentation cases (SA). Retrospective single-centre cohort. Acute pancreatitis excluded. Biliary colic/symptomatic gallstones/cholelithiasis...

Z. Ahmed, Emer McCarron, E. Khine et al. · British Journal of Surgery · 0 citations

Open access Aug 2026

EP 514 Early vs Late Laparoscopic Cholecystectomy in Gallbladder Disease: Outcomes with Imputed Symptom Onset and Confidence Intervals

Early laparoscopic cholecystectomy (LC) within 72 hours of symptom onset is recommended for acute gallbladder disease, but real-world onset documentation is often incomplete. We assessed whether timing influences outcomes in patients with cholecystitis, acute cholecystitis, symptomatic gallstones, or biliary coli...

Emer McCarron, Z. Ahmed, K. Rais et al. · British Journal of Surgery · 0 citations

Open access Aug 2026

TPTh 7.09 Predictors of Difficult Cholecystectomy Using Admission-to-Operation Timing and Their Impact on Outcomes: A Single-Centre Cohort Analysis

Anticipating a difficult cholecystectomy is essential for theatre planning and patient counselling. This study evaluated whether prior diagnosis status, disease severity, surgical indication, and admission-to-operation timing (categorised in 24-hour bins) could predict surgical difficulty. Additionally, the predi...

Z. Ahmed, Emer McCarron, Peter Osuala et al. · British Journal of Surgery · 0 citations