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  • Ovid Technologies (Wolters Kluwer Health)  (3)
  • Castillo, Carlos Fernandez-del  (3)
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  • Ovid Technologies (Wolters Kluwer Health)  (3)
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  • 1
    In: Annals of Surgery, Ovid Technologies (Wolters Kluwer Health), Vol. 275, No. 2 ( 2022-02), p. e463-e472
    Abstract: This study aims to present a full spectrum of individual patient presentations of pancreatic fistula risk, and to define the utility of mitigation strategies amongst some of the most prevalent, and vulnerable scenarios surgeons encounter. Background: The FRS has been utilized to identify technical strategies associated with reduced CR-POPF incidence across various risk strata. However, risk-stratification using the FRS has never been investigated with greater granularity. By deriving all possible combinations of FRS elements, individualized risk assessment could be utilized for precision medicine purposes. Methods: FRS profiles and outcomes of 5533 PDs were accrued from 17 international institutions (2003–2019). The FRS was used to derive 80 unique combinations of patient “scenarios.” Risk-matched analyses were conducted using a Bonferroni adjustment to identify scenarios with increased vulnerability for CR-POPF occurrence. Subsequently, these scenarios were analyzed using multivariable regression to explore optimal mitigation approaches. Results: The overall CR-POPF rate was 13.6%. All 80 possible scenarios were encountered, with the most frequent being scenario #1 (8.1%) – the only negligible-risk scenario (CR-POPF rate = 0.7%). The moderate-risk zone had the most scenarios (50), patients (N = 3246), CR-POPFs (65.2%), and greatest non-zero discrepancy in CR-POPF rates between scenarios (18-fold). In the risk-matched analysis, 2 scenarios (#59 and 60) displayed increased vulnerability for CR-POPF relative to the moderate-risk zone (both P 〈 0.001). Multivariable analysis revealed factors associated with CR-POPF in these scenarios: pancreaticogastrostomy reconstruction [odds ratio (OR) 4.67], omission of drain placement (OR 5.51), and prophylactic octreotide (OR 3.09). When comparing the utilization of best practice strategies to patients who did not have these conjointly utilized, there was a significant decrease in CR-POPF (10.7% vs 35.5%, P 〈 0.001; OR 0.20, 95% confidence interval 0.12–0.33). Conclusion: Through this data, a comprehensive fistula risk catalog has been created and the most clinically-impactful scenarios have been discerned. Focusing on individual scenarios provides a practical way to approach precision medicine, allowing for more directed and efficient management of CR-POPF.
    Type of Medium: Online Resource
    ISSN: 0003-4932 , 1528-1140
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 2641023-0
    detail.hit.zdb_id: 2002200-1
    Location Call Number Limitation Availability
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  • 2
    In: Annals of Surgery, Ovid Technologies (Wolters Kluwer Health), Vol. 277, No. 3 ( 2023-03), p. e597-e608
    Abstract: The aim of this study was to develop a classification system for pancreas-associated risk factors in pancreatoduodenectomy (PD). Summary Background Data: Postoperative pancreatic fistula (POPF) is the most relevant PD-associated complication. A simple standardized surgical reporting system based on pancreas-associated risk factors is lacking. Methods: A systematic literature search was conducted to identify studies investigating clinically relevant (CR) POPF (CR-POPF) and pancreas-associated risk factors after PD. A meta-analysis of CR-POPF rate for texture of the pancreas (soft vs not-soft) and main pancreatic duct (MPD) diameter was performed using the Mantel-Haenszel method. Based on the results, the International Study Group of Pancreatic Surgery (ISGPS) proposes the following classification: A, not-soft (hard) texture and MPD 〉 3 mm; B, not-soft (hard) texture and MPD ≤3 mm; C, soft texture and MPD 〉 3 mm; D, soft texture and MPD ≤3 mm. The classification was evaluated in a multi-institutional, international cohort. Results: Of the 2917 articles identified, 108 studies were included in the analyses. Soft pancreatic texture was significantly associated with the development of CR-POPF [odds ratio (OR) 4.24, 95% confidence interval (CI) 3.67-4.89, P 〈 0.01) following PD. Similarly, MPD diameter ≤3 mm significantly increased CR-POPF risk compared with 〉 3 mm diameter MPDs (OR 3.66, 95% CI 2.62–5.12, P 〈 0.01). The proposed 4-stage system was confirmed in an independent cohort of 5533 patients with CR-POPF rates of 3.5%, 6.2%, 16.6%, and 23.2% for type A-D, respectively ( P 〈 0.001). Conclusion: For future pancreatic surgical outcomes studies, the ISGPS recommends reporting these risk factors according to the proposed classification system for better comparability of results.
    Type of Medium: Online Resource
    ISSN: 0003-4932
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2002200-1
    Location Call Number Limitation Availability
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  • 3
    In: Annals of Surgery, Ovid Technologies (Wolters Kluwer Health), Vol. 276, No. 5 ( 2022-11), p. e527-e535
    Abstract: To investigate the role of intraoperative estimated blood loss (EBL) on development of clinically relevant postoperative pancreatic fistula (CR-POPF) after pancreatoduodenectomy (PD). Background: Minimizing EBL has been shown to decrease transfusions and provide better perioperative outcomes in PD. EBL is also felt to be influential on CR-POPF development. Methods: This study consists of 5534 PDs from a 17-institution collaborative (2003–2018). EBL was progressively categorized (≤150mL; 151–400mL; 401–1,000 mL; 〉 1,000 mL). Impact of additive EBL was assessed using 20 3– factor fistula risk score (FRS) scenarios reflective of endogenous CR-POPF risk. Results: CR-POPF developed in 13.6% of patients (N = 753) and median EBL was 400 mL (interquartile range 250-600 mL). CR-POPF and Grade C POPF were associated with elevated EBL (median 350 vs 400 mL, P = 0.002; 372 vs 500 mL, P 〈 0.001, respectively). Progressive EBL cohorts displayed incremental CR-POPF rates (8.5%, 13.4%, 15.2%, 16.9%; P 〈 0.001). EBL 〉 400mL was associated with increased CR-POPF occurrence in 13/20 endogenous risk scenarios. Moreover, 8 of 10 scenarios predicated on a soft gland demonstrated increased CR-POPF incidence. Hypothetical projections demonstrate significant reductions in CR-POPF can be obtained with 1–, 2–, and 3-point decreases in FRS points attributed to EBL risk (12.2%, 17.4%, and 20.0%; P 〈 0.001). This is especially pronounced in high-risk (FRS7–10) patients, who demonstrate up to a 31% reduction (P 〈 0.001). Surgeons in the lowest-quartile of median EBL demonstrated CR-POPF rates less than half those in the upper-quartile (7.9% vs 18.8%; P 〈 0.001). Conclusion: EBL independently contributes significant biological risk to CR-POPF. Substantial reductions in CR-POPF occurrence are projected and obtainable by minimizing EBL. Decreased individual surgeon EBL is associated with improvements in CR-POPF.
    Type of Medium: Online Resource
    ISSN: 0003-4932
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 2002200-1
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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