Abstract
Splenopancreatic disconnection (SPD) was conceived and implemented as a technical addition to distal splenorenal shunt (DSRS) to maintain its selectivity and preserve portal perfusion. The proposed hemodynamic and metabolic stability of hepatocytes after DSRS-SPD should improve survival. In this nonrandomized study, 145 consecutive (Child A/B) variceal bleeders were electively subjected to selective shunt with DSRS in 93 and DSRS-SPD in 52 patients. The 2 groups were similar before surgery with a mean follow up of 24±12 (DSRS) and 27±14 (DSRS-SPD) months. DSRS-SPD had an operative mortality of 3.8%. Postoperative pancreatitis occurred in 7.7% after DSRS-SPD and 3.2% after DSRS alone, with schistosomal hepatic fibrosis representing 86% of morbid cases. Shunt patency was high and recurrent variceal hemorrhage was low in both groups. Clinical encephalopathy was significantly reduced after DSRS-SPD (p<0.05). The addition of SPD significantly reduced both the incidence of chronic hyperbilirubinemia in the schistosomal patients (p< 0.05) and the difference between the changes in total serum bilirubin in all patients (p=0.001). Portal perfusion was preserved after DSRS-SPD in all of the angiographically-studied patients. The overall survival was 84% after DSRS and 88% after DSRS-SPD. The schistosomal patients showed an incidence of 95% and 96% survival after DSRS and DSRS-SPD, respectively. DSRS-SPD was able to improve survival (92%) better than DSRS (77%) among well-matched nonschistosomal patients. These data show: (1) DSRS-SPD still has low operative mortality and a high patency rate with a low incidence of recurrent variceal hemorrhage, (2) DSRS-SPD maintains portal perfusion, achieves better survival, and reduces the incidence of encephalopathy, especially in patients with nonalcoholic cirrhosis and mixed liver disease, (3) in the schistosomal population, DSRS-SPD reduces the incidence of chronic hyperbilirubinemia but increases the risk of postoperative pancreatitis.
Résumé
La déconnection splénopancréatique (DSP) a été conçue et répandue comme une amélioration technique au shunt splénorénal distal (SSRD) pour maintenir sa sélectivité et préserver la perfusion portale. La stabilité hémodynamique et métabolique des hépatocytes, reconnue dans l'opération combinée SSRD-DSP, devrait augmenter la survie. Dans cette étude non randomisée, il y avait 145 patients consécutifs (Child A/B) avec varices oesophagiennes ayant saigné. Quatre vingt treize patients ont eu un SSRD seul et 52 patients, un SSRD-DSP. Les deux groupes étaient similaires avant la chirurgie. La survie moyenne était de 24±12 mois (SSRD) et de 27±14 mois (SSRD-DSP), respectivement. La mortalité opératoir de SSRD-DSP était de 3.8%. L'incidence de pancréatite post-opératoire était de 7.7% après SSRD-DSP et de 3.2% après SSRD seul chez des patients ayant une fibrose hépatique secondaire à une bilharziose dans 86% des cas. Le pourcentage de perméabilité de l'anastomose était élevé et la récidive hémorragique par varices était basse dans les deux groupes. L'encéphalopathie clinique était significativement moins fréquente après SSRD-DSP (p<0.05). Ajouter une DSP à une SSRD réduisait de façon significative l'incidence de l'hyperbilirubinémie chronique chez le patient avec bilharziose (p<0.05) et la bilirubinémie (p=0.001) dans les deux groupes. La perfusion portale était préservée après SSRD-DSP chez tous les patients ayant eu une angiographie. La survie globale était de 84% après SSPD et de 88% après SSPD-DSP. La survie des patients avec bilharziose était de 95% et de 96%, respectivement, après SSPD et SSPD-DSP. Parmi les patients sans bilharziose dont les caractéristiques étaient comparables aux patients avec bilharziose, la survie était plus longue après SSPD-DSP (92%) qu'après SSPD seul (77%). Ces résultats montrent que: (1) la mortalité opératoire de SSPD-DSP est basse avec un taux de récidive hémorragique par varices également bas, (2) la SSPD-DSP maintient une perfusion portale, augmente la survie et réduit l'incidence de l'encéphalopathie surtout chez les patients avec cirrhose non alcoolique et hépatopathie mixte, (3) dans la bilharziose, la SSPD-DSP réduisait l'incidence d'hyperbilirubinémie chronique mais augmente le risque de pancréatite.
Resumen
La desconexión esplenopancreática (DEP) fue concebida e implementada como un complemento técnico del “shunt” por anastomosis esplenorrenal distal (AERD) para mantener su selectividad y preservar la perfusión portal. Sesupone que la propuesta estabilidad hemodinámica y metabólica de los hepatocitos después de la AERD-DEP debe mejorar la sobrevida. En el presente estudio no randomizado, 145 pacientes consecutivos con sangrado varicoso (Child A/B) fueron electivamente sometidos a “shunt” selectivo con AERD, 93 casos, y a AERD-DEP, 52 casos. Los grupos, que presentaban características similares antes de la cirugía, tuvieron un seguimiento promedio de 24±12 meses (AERD) y 27±14 (AERD-DEP) meses. La AERD-DEP tuvo una mortalidad operatoria de 3.8%. Pancreatitis postoperatoria se desarrolló en 7.7% de los pacientes con AERD-DEP y en 3.2% de los pacientes con AERD solamente; la fibrosis hepática esquistosomiásica representó el 86% de los casos mórbidos. La tasa de permeabilidad del “shunt” se mantuvo alta y la de hemorragia varicosa recurrente apareció baja en los dos grupos. La encefalopatía clínica resultó significativamente reducida después de la AERD-DEP (p<0.05). La adición de la DEP redujo la incidencia tanto de la hiperbilirrubinemia crónica en los pacientes esquistosomiásicos (p<0.05) como los cambios en la bilirrubinemia total en todos los pacientes (p=0.001). La perfusión portal apareció preservada después de la AERD-DEP en la totalidad de los pacientes estudiados mediante angiografía. La tasa global de sobrevida fue 84% después de AERD y de 88% después de AERD-DEP. Los pacientes esquistosomiásicos exhibieron una tasa de sobrevida de 95% y de 96% después de AERD y de AERD-DEP, respectivamente. La AERD-DEP aumentó la sobrevida a 92%, en comparación con 77% para la AERD, en pacientes cuidadosamente apareados. Estos datos demuestran que: (1) la AERD-DEP exhibe una baja mortalidad y una alta tasa de permeabilidad, con baja incidencia de hemorragia varicosa recurrente, (2) la AERD-DEP mantiene la perfusión portal, logra una mejor sobrevida y reduce la incidencia de encefalopatía, especialmente en pacientes con cirrosis no alcohólica y enfermedad hepática mixta, (3) en la población esquistosomiásica, la AERD-DEP reduce la incidencia de hiperbilirrubinemia crónica, pero incrementa el riesgo de pancreatitis postoperatoria.
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Abu-Elmagd, K.M., Ezzat, F.A., Fathy, O.M. et al. Should both schistosomal and nonschistosomal variceal bleeders be disconnected?. World J. Surg. 15, 389–397 (1991). https://doi.org/10.1007/BF01658738
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DOI: https://doi.org/10.1007/BF01658738