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  • Title: Minimally invasive distal pancreatectomy: greatest benefit for the frail.
    Author: Konstantinidis IT, Lewis A, Lee B, Warner SG, Woo Y, Singh G, Fong Y, Melstrom LG.
    Journal: Surg Endosc; 2017 Dec; 31(12):5234-5240. PubMed ID: 28493165.
    Abstract:
    OBJECTIVE: The benefits of minimally invasive distal pancreatectomy (MIDP) over open surgery continue to be investigated. Frailty is a known predictor of postoperative outcome. We hypothesized that the benefit of minimally invasive distal pancreatectomy is the greatest for the frailest of patients. METHODS: Data from the pancreas-targeted National Surgical Quality Improvement Program (NSQIP) database for 2014 were reviewed. A modified frailty index (mFI) with 11 preoperative variables previously validated for use in NSQIP was used to determine the correlation between frailty and postoperative outcomes, including Clavien grade IV complications. Patients were classified into non-frail (mFI = 0) or frail (mIF > 0), in which they were subclassified into mildly frail (mFI 1 or 2) or severely frail (mFI = 3). RESULTS: A total of 1,038 distal pancreatectomies (DP) were included in the analysis, of which 387 were minimally invasive (MIDP: laparoscopic: 285, robotic: 102), 558 open DP (ODP), and 93 MIDP converted to open (MIDPcODP: laparoscopic: 80, robotic: 13). More than 90% of patients had an mFI of 0 or 1 (mFI 0 = 473 (45.6%), 1 = 466 (44.9%), 2 = 94 (9.1%), and 3 = 5 (0.5%), respectively). Overall, 4.6% of patients experienced Clavien grade IV complications and 1.1% a mortality. Non-frail patients experienced a similar rate of grade IV Clavien complications with MIDP vs. ODP vs. MIDPcOP (2.3 vs. 2.3 vs. 4.9%; p = 0.6), whereas frail patients (mFI > 0) had a lower rate of complications with MIDP (2.4 vs. 8.3 vs. 11.5; p = 0.007). Worsening frailty correlated with an increase in complications (non-frail: 2.5%; mildly frail: 6.3%; severely frail: 20%; p = 0.005). CONCLUSION: MIDP is associated with a lower risk of Clavien grade IV complications compared to ODP for frail patients, especially for benign disease. Thus, minimally invasive approach may mitigate risk in frail patients.
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