4.7 Article

Risks and Benefits of Prophylactic Transfusion before Cholecystectomy in Sickle Cell Disease

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JOURNAL OF CLINICAL MEDICINE
卷 11, 期 14, 页码 -

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MDPI
DOI: 10.3390/jcm11143986

关键词

sickle cell disease; transfusion; cholecystectomy; vaso-occlusive crisis; acute chest syndrome

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This study investigates the benefit-risk ratio of preoperative transfusion (PT) on the occurrence of postoperative vaso-occlusive events (VOE) after cholecystectomy. The results show that PT increases the risk of alloimmunization and delayed hemolytic transfusion reaction (DHTR). Additionally, recent vaso-occlusive crises (VOC) are associated with a higher risk of postoperative VOE.
Preoperative transfusion (PT) reduces acute postoperative vaso-occlusive events (VOE) in sickle cell disease (SCD), but exposes patients to alloimmunization, encouraging a recent trend towards transfusion sparing. The aim of this study was to investigate the benefit-risk ratio of PT before cholecystectomy on the occurrence of postoperative VOE. Adult SCD patients who underwent cholecystectomy between 2008 and 2019 in our center were included. Patients' characteristics, collected retrospectively, were compared according to PT. A total of 79 patients were included, 66% of whom received PT. Gallbladder histopathology found chronic cholecystitis (97%) and gallstones (66%). Transfused patients underwent more urgent surgeries and had experienced more painful vaso-occlusive crises (VOC) in the month before surgery (p = 0.05). Four (8.5%) post-transfusion alloimmunizations occurred, and two of them caused a delayed hemolytic transfusion reaction (DHTR) (4.3%). The occurrence of postoperative VOE was similar between the groups (19.2% vs. 29.6%, p = 0.45). Though not statistically significant, a history of hospitalized VOC within 6 months prior to surgery seemed to be associated to postoperative VOE among non-transfused patients (75% vs. 31.6%, p = 0.10). PT before cholecystectomy exposes to risks of alloimmunization and DHTR that could be avoided in some patients. Recent VOCs appear to be associated with a higher risk of postoperative VOE and prompt the preemptive transfusion of these patients.

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