RESUMEN
AIM: The issue of performing an anastomosis of the anterior sector veins to the vena cava in living donor liver transplantation is still controversial. We aimed to research whether there was any difference in terms of complications, rejections, and graft survival between patients with and without anterior sector venous drainage to the vena cava. PATIENTS AND METHODS: Patients were retrospectively investigated for demographic data and ratio of graft needed to available graft weight. Donors had volumetric calculations and middle hepatic vein anterior sector drainage documented in detail. RESULTS: Seventy-three donors with middle hepatic vein drainage were included. Thirty-five had anterior sector venous drainage performed and 38 patients did not have drainage procedures performed. The incidence of general complications was higher in the group without anterior sector drainage (78.3% and P = .002). Biloma linked to bile leaks were observed in 8 patients without drainage (72.8%) and 3 patients with drainage (27.2%). Late acute rejection occurring during follow up after transplantation was identified in 28 patients (11.6%). Of these, 1 (14.3%) had anterior sector drainage and 6 (85.7%) were in the patient group without drainage (P = .067). CONCLUSION: As a result of this study, for patients with grafts at the volume limit (graft weight to receiver weight ratio <0.8) and with congestion observed in the anterior sector after liver implantation and for patients with outflow problems identified on Doppler ultrasonography, anterior sector veins >5 mm should definitely be drained into the vena cava. Hence, both complication and rejection rates will reduce, and we can lengthen the graft, and thus patient, survival.
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Venas Hepáticas/cirugía , Trasplante de Hígado/métodos , Donadores Vivos , Adulto , Anastomosis Quirúrgica/métodos , Femenino , Supervivencia de Injerto , Humanos , Hígado/irrigación sanguínea , Circulación Hepática/fisiología , Trasplante de Hígado/efectos adversos , Masculino , Persona de Mediana Edad , Estudios RetrospectivosRESUMEN
AIM: Liver transplantation (LT) is the most promising treatment method in hepatocellular cancer (HCC). Due to the shortage of organ donors and the possible risks associated with living donation, the selection of patients for LT is critical. The aim of this study is to investigate the predictive ability of the Glasgow Prognostic Score (GPS), modified GPS (mGPS), and hepatic GPS (hGPS) on prognoses in a patient group who underwent deceased donor LT (DDLT) or living-donor LT (LDLT) for HCC. PATIENTS AND METHODS: This study includes 62 DDLT and 55 LDLT patients who underwent LT for HCC between 1998 and 2016 in a single center. The study endpoints were recurrence, 0- to 1-year mortality, 0- to 3-year mortality, mortality, and overall survival (OS). RESULTS: The median follow-up time was 70.24 ± 48.47 months. GPS and hGPS positivity were found to be prognostic indicators of 0- to 3-year mortality and overall mortality in DDLT (P = .012, P = .006; P = .044 and P = .022 respectively). In the LDLT group, GPS was found to be effective in predicting 0- to 1-year and 0- to 3-year mortality (P = .045, P = .022 respectively); GPS and hGPS were also found to be effective in predicting overall mortality (P = .001 and P = .046 respectively). The OS was significantly longer in the GPS 0 group and hGPS 0 group compared to the GPS 1-2 and hGPS 1-2 group in both DDLT and LDLT. CONCLUSION: The findings of this study and the literature indicate that using GPS and hGPS is appropriate in selecting patients with HCC who are candidates for LT.
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Carcinoma Hepatocelular/cirugía , Neoplasias Hepáticas/cirugía , Trasplante de Hígado/métodos , Selección de Paciente , Índice de Severidad de la Enfermedad , Adulto , Anciano , Femenino , Humanos , Estimación de Kaplan-Meier , Trasplante de Hígado/efectos adversos , Trasplante de Hígado/mortalidad , Donadores Vivos , Masculino , Persona de Mediana Edad , Pronóstico , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
AIM: This study aims to evaluate survival rates in elderly patients after liver transplantation (LT) and to analyze the factors associated with mortality. PATIENTS AND METHODS: Our study includes 535 patients over the age of 18 who had undergone LT in our clinic between June 2004 and January 2018. Data were collected prospectively and scanned retrospectively. Data concerning the patients' age, sex, LT indication, Child-Turcotte-Pugh score, Model for End-Stage Liver Disease score, presence of hepatocellular cancer (HCC), coexisting disease, LT types, and post-transplant survival were investigated. The patients were grouped under 2 categories (18-59 years of age and 60 years of age and over) and were compared in terms of their characteristics. In patients aged 60 and over, the causes of mortality and related factors were investigated. RESULTS: The study included 535 patients, 458 (85.6%) of whom were between 18 and 59 years of age and 77 (14.4%) were over 60 years of age. The median follow-up period was 86.7 (1 to 247) months. The elderly group's survival rate was significantly lower than that of the younger group (P = .002). In elderly patients, survival rates of 1, 3, 5, and 10 years were 67.4%, 56.4%, 53.8%, and 46.1%, respectively. CONCLUSION: In elderly patients, factors that increase post-LT mortality require thorough consideration. Equally important is the physiological status of the candidates for transplantation. Correct patient selection in the preoperative stage and good postoperative care can provide successful survival results in elderly patients.
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Factores de Edad , Trasplante de Hígado/mortalidad , Adulto , Anciano , Carcinoma Hepatocelular/epidemiología , Carcinoma Hepatocelular/cirugía , Femenino , Supervivencia de Injerto , Humanos , Incidencia , Hepatopatías/epidemiología , Hepatopatías/cirugía , Neoplasias Hepáticas/epidemiología , Neoplasias Hepáticas/cirugía , Masculino , Persona de Mediana Edad , Selección de Paciente , Estudios Retrospectivos , Tasa de Supervivencia , Resultado del Tratamiento , Adulto JovenRESUMEN
AIM: Small-for-size grafts have become more important, especially in living donor liver transplants. The Pringle maneuver, used to reduce blood loss, and the immunosuppressive medications used to prevent graft rejection in liver transplants have different side effects on liver regeneration. We researched the effect of situations where tacrolimus and the Pringle maneuver were applied or not on liver regeneration in rats with partial hepatectomy. MATERIAL AND METHODS: This study was completed with 35 Wistar Albino rats. The subjects were randomly divided into 5 groups: Group 1 had the abdomen opened and no other procedure was performed; Group 2 underwent a 70% hepatectomy; Group 3 underwent a 15-minute Pringle maneuver + 70% hepatectomy; Group 4 underwent a 70% hepatectomy + 5 days of 1 mg/kg/day intraperitoneal tacrolimus; and Group 5 underwent a 150 minute Pringle maneuver + 0% hepatectomy + 5 days of 1 mg/kg/day intraperitoneal tacrolimus. All rats were sacrificed on the seventh postoperative day, remaining liver tissue was weighed, and weight indices created. The remaining liver tissue was stained with phosphohistone H3 and the mitotic index calculated. RESULTS: The groups that underwent the Pringle maneuver, 70% hepatectomy, and tacrolimus administration were compared with the control group in terms of mitotic index and weight index, but no statistically significant differences were identified. CONCLUSION: Suppression of regeneration forms a risk after liver transplantation with small-volume grafts. As a result, research on the effect of tacrolimus combined with the Pringle maneuver is important, especially for transplantations using segmented liver grafts. In our study, we showed that the use of tacrolimus had no negative effect on liver regeneration.
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Inmunosupresores/farmacología , Regeneración Hepática/efectos de los fármacos , Trasplante de Hígado/métodos , Tacrolimus/farmacología , Animales , Modelos Animales de Enfermedad , Hepatectomía/métodos , Trasplante de Hígado/efectos adversos , Masculino , Ratas , Ratas Wistar , Daño por Reperfusión/etiologíaRESUMEN
AIM: There is a well-known risk of the emergence of hepatic failure in living donor transplant cases on whom are performed a right donor hepatectomy (RDH). There are different prevalence ratios in literature on this phenomenon. In our study, we aim to depict the prevalence of hepatic failure and risk factors in our cases regarding the most recent description criteria related to hepatic failure. PATIENTS AND METHODS: We included right liver donor hepatectomy cases who fit the donor evaluation algorithm at the Dokuz Eylul University Liver Transplantation Unit between the period of June 2000 and September 2017. The patients were evaluated regarding preoperative data. Liver failure was defined according to the International Study Group of Liver Surgery (ISGLS) criteria. We also included statistical analysis of risk factors that are potentially related to liver failure. RESULTS: We included a total of 276 patients. In 27 (9.7%) patients, we observed posthepatectomy liver failure (PHLF). In 26 (9.4%) patients, we observed Grade A liver failure; in 1 (0.3%) patient, we observed Grade B liver failure. We did not observe any Grade C hepatic failure. In patients with hepatic failure, we observed a significantly longer period of hospitalization (P = .007). Old age (odds ratio = 1.065, 95% confidence interval, 1.135-29.108, P = .035) and preoperatory red blood cell (RBC) transfusion (odds ratio = 5.749, 95% confidence interval, 1.019-1.113, P = .005) were shown as independent risk factors for PHLF. CONCLUSION: Posthepatectomy liver failure is a vital complication of RDH. The risk can be decreased by careful selection of donor candidates. Elderly donor candidates and intraoperative RBC are independent risk factors for PHLF.
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Hepatectomía/efectos adversos , Fallo Hepático/epidemiología , Fallo Hepático/etiología , Trasplante de Hígado , Donadores Vivos , Recolección de Tejidos y Órganos/efectos adversos , Adulto , Anciano , Femenino , Hepatectomía/métodos , Humanos , Incidencia , Trasplante de Hígado/métodos , Masculino , Persona de Mediana Edad , Oportunidad Relativa , Factores de Riesgo , Recolección de Tejidos y Órganos/métodosRESUMEN
INTRODUCTION: The aim of this study was to investigate the efficacy of resveratrol and octreotide, agents that are used to prevent intra-abdominal adhesions in experimental models, in preventing intraperitoneal adhesions when used alone or in combination. MATERIALS AND METHODS: The study employed 28 young female Wistar albino rats weighing 250-300 grams. An experimental adhesion model was created in each rat using serosal abrasion and peritoneal excision. They were divided into four groups, each comprising seven rats: Group 1, adhesion induction only; Group 2, resveratrol administration only; Group 3, octreotide administration only; and Group 4, administration of resveratrol and octreotide combination. The rats were monitored under appropriate conditions for 14 days and then underwent laparotomy. Macroscopic intensity and extensiveness of adhesions and microscopic changes in the granulation tissue (cellular intensity, reticular and collagen fibers, capillaries, elastic and smooth muscle fibers, fibrosis) were evaluated and graded. Kruskal-Wallis and Mann-Whitney U-test were used in statistical analysis and the level of statistical significance was established as p <0.05. RESULTS: There was no significant difference between the groups in terms of the intensity and extensiveness of macroscopic adhesions (p=0.377 and p=0.319). There was a statistically significant difference between the microscopic scores of the groups according to Zühlke's classification (p=0.026). The Bonferroni correction used to test for the differences revealed that the rats in Group 1 achieved significantly higher scores than the rats in Group 3 (p=0.016). CONCLUSION: Octreotide showed higher efficiency compared to the control group in microscopic classification; however, the two agents were not superior to each other or their combination was not superior in preventing intra-abdominal adhesions.
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Octreótido/farmacología , Peritoneo/patología , Resveratrol/farmacología , Adherencias Tisulares/prevención & control , Animales , Modelos Animales de Enfermedad , Femenino , Enfermedades Peritoneales/prevención & control , Peritoneo/efectos de los fármacos , Ratas , Ratas WistarRESUMEN
PURPOSE: Parastomal hernia is a frequent complication of an abdominal wall stoma. Surgical repairs have high complication and recurrence rates. Several different techniques have been suggested to prevent parastomal hernia during stoma creation. The aim of the present case-control study was to evaluate the efficacy of modified Stapled Mesh stomA Reinforcement Technique (SMART) for prevention of parastomal hernia compared with conventional colostomy formation in patients who underwent open or laparoscopic rectal resection and end colostomy for cancer. METHODS AND MATERIALS: Between January 2014 and May 2016, all consecutive patients who underwent open or laparoscopic resection and end colostomy for primary or recurrent rectal cancer were identified from a prospectively collected database. Since January 2014, one surgeon in our team has routinely offered modified SMART procedure to all patients who are candidates for permanent terminal colostomy. In the SMART group patients, while creating an end colostomy, we placed a standard polypropylene mesh in the retromuscular position, fixed and cut the mesh by firing a 31- or 33-mm-diameter circular stapler and constructed the stoma. In the control group, a stoma was created conventionally by a longitudinal or transverse incision of the rectus abdominis sheath sufficiently large for the colon to pass through. RESULTS: Twenty-nine patients underwent parastomal hernia prophylaxis with modified SMART and 38 patients underwent end-colostomy formation without prophylaxis (control group). Groups were similar in terms of age, sex and underlying conditions predisposing to herniation. Median follow-up time is 27 (range 12-41) months. Nineteen patients (28.4%) developed parastomal herniation. In the SMART group, 4 patients (13.8%) developed parastomal herniation which is significantly lower than the control group in which 15 patients (39.5%) developed parastomal herniation (p = 0.029). We did not observe mesh infection, stenosis, erosion or fistulation in the SMART group. One patient in the control group underwent surgical correction of stoma stricture, another patient underwent surgery for stoma prolapse and four patients underwent surgery for parastomal herniation. CONCLUSION: New systemic reviews and meta-analysis support parastomal hernia prevention with the use of a prophylactic mesh. Until more evidence is available, prophylactic mesh should be routinely offered to all patients undergoing permanent stoma formation. SMART is easy to use, safe and effective for paracolostomy hernia prophylaxis.
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Colostomía/efectos adversos , Hernia Ventral , Laparoscopía , Neoplasias del Recto/cirugía , Recto del Abdomen/cirugía , Anciano , Estudios de Casos y Controles , Colostomía/métodos , Femenino , Hernia Ventral/diagnóstico , Hernia Ventral/etiología , Hernia Ventral/prevención & control , Humanos , Laparoscopía/efectos adversos , Laparoscopía/métodos , Masculino , Persona de Mediana Edad , Servicios Preventivos de Salud , Prótesis e Implantes/efectos adversos , Mallas Quirúrgicas/efectos adversos , Resultado del Tratamiento , TurquíaRESUMEN
INTRODUCTION: Because of the shortage of organs available for transplantation, living related sequential transplantation with the use of liver and a kidney from the same donor has emerged as a reasonable therapeutic alternative. However, there is insufficient literature about the complications that living donors experience after simultaneous kidney and liver transplantations. METHODS: From December 2001 to October 2009, 5 living donors provided simultaneous donation of livers and kidneys and 1 living donor donated first her kidney and then her liver. Demographic data of the donors and information concerning the surgery and postoperative observation were collected prospectively. RESULTS: All of the donors were female. The median age was 27.5 (range, 19-36) years. Indications requiring the simultaneous transplantation of livers and kidneys were primary hyperoxaluria type 1 (PH1) in 5 potential recipients and cirrhosis due to chronic hepatitis B infection and idiopathic chronic renal insufficiency in 1 potential recipient. Four recipients underwent right hepatectomy (segments 5-8) and right nephrectomy; 1 recipient underwent left hepatectomy (segments 2-4) and right nephrectomy; and 1 recipient underwent left lobectomy (segments 2-3) and right nephrectomy. There were no complications except in 1 donor (postoperative ileus). No donor developed hypertension or microalbuminuria. CONCLUSIONS: With the right indications, appropriate preoperative evaluation, meticulous surgical technique, proper postoperative care, and long-term close monitoring to minimize morbidity and mortality risks, liver and kidney donation from the same donor can be considered for simultaneous kidney and liver transplantation.
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Trasplante de Riñón , Trasplante de Hígado , Donadores Vivos , Adulto , Femenino , Humanos , Hiperoxaluria Primaria/cirugía , Fallo Renal Crónico/cirugía , Cirrosis Hepática/cirugía , Complicaciones Posoperatorias , Adulto JovenRESUMEN
INTRODUCTION: We investigated the liver transplantation literature since 1975 and found the most frequently cited 100 articles and assessed the distribution of authors and journals of these articles. METHOD: Using the advanced mode of the Institute for Scientific Information (ISI) Web of Science (WOS) search engine, the words "SU = transplantation AND TI = liver OR SU = transplantation AND TS = liver" were used to scan articles and determine the most-cited 100 articles on July 18, 2016. RESULTS: From 1975 to date, it appears a total of 43,369 articles were published in the field of liver transplantation in the WOS. Although the most cited article had 677 citations, the least cited article had 180 citations. The mean citation number for the 100 articles was 252.31 ± 96.75. The mean annual citation number for the articles varied from 61.55 to 5 and the mean was 15.31 ± 8.63. The most cited article was by Feng et al "Characteristics Associated With Liver Graft Failure: The Concept of a Donor Risk Index" published in the American Journal of Transplantation (677 citations). CONCLUSION: Bibliometric analysis highlights the key topics and publications that have shaped the understanding and management of liver transplantation. According to our research, this is the first study to investigate articles with most citations in the field of liver transplantation. In our study the article with the most citations was cited 677 times, whereas the 100th article was cited 180 times with a mean citation number for the 100 articles of 252.31 ± 96.75.
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Bibliometría , Trasplante de Hígado/estadística & datos numéricos , Edición/estadística & datos numéricos , Autoria , Humanos , Publicaciones Periódicas como Asunto/estadística & datos numéricos , Estudios Retrospectivos , Donantes de TejidosRESUMEN
INTRODUCTION: In living donor liver transplantation (LDLT), hepatic arterial continuity is crucial to avoid biliary leakage, biliary stricture, cholangitis, and graft and patient loss. Sometimes there exist factors making anastomosis difficult or even impossible. In these cases, a vascular graft may be needed to bridge the two arteries for revascularization. METHOD: Medical records of 297 patients who underwent LDLT between June 2000 and July 2016 at the Hepatopancreatobiliary Surgery and Liver Transplantation Unit of Dokuz Eylul University Hospital were reviewed retrospectively. Twenty-eight (9%) patients younger than the age of 18 were excluded from the study. The remaining 269 patients were included in the study. We analyzed data of patients who developed hepatic arterial complications during or after LDLT and underwent revascularization using autologous interposed inferior mesenteric artery (IMA) grafts. RESULTS: In 8 (2.9%) of the 269 patients who underwent LDLT and were included in the study, autologous interposed IMA grafts were used for the hepatic artery revascularization. All of the patients were males. Their mean age was 42 (range, 25-57). The mean duration of follow-up was 83.25 months (range, 3-144 months). One patient developed intraoperative hepatic arterial thrombosis (HAT) after autologus IMA reconstruction and this patient needed retransplantation. No arterial complications developed in the other 7 patients. CONCLUSION: Autologous interposed IMA graft could be used as an alternative vascular graft in hepatic artery revascularization to provide tension-free hepatic arterial continuity.
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Arteria Hepática/cirugía , Trasplante de Hígado/métodos , Donadores Vivos , Arteria Mesentérica Inferior/trasplante , Adulto , Autoinjertos/irrigación sanguínea , Humanos , Hepatopatías/cirugía , Masculino , Persona de Mediana Edad , Reoperación/efectos adversos , Estudios Retrospectivos , Trombosis/etiología , Trombosis/cirugía , Receptores de Trasplantes , Trasplante Autólogo , Resultado del Tratamiento , Procedimientos Quirúrgicos Vasculares/métodosRESUMEN
INTRODUCTION: Living donor liver transplantation (LDLT) is performed with increasing frequency worldwide due to the shortage of donated organs. It is a life-saving procedure for the recipient, but, on the other hand, a major surgical procedure for healthy donors and it may cause morbidity and even mortality. PATIENTS AND METHODS: This research was completed at Dokuz Eylül University Faculty of Medicine Hospital General Surgery Department Liver Transplant Unit and included 280 cases (4 with simultaneous liver and kidney transplants from living donors) who underwent donor right hepatectomy for LDLT from June 2000 to June 2016. We analyzed the data of patients retrospectively. RESULTS: Of 280 donor right hepatectomies for LDLT, 181 were male (M; 64.6%) and 99 were female (F; 35.4%) (M/F: 1.82). Mean donor age was 31.2 ± 0.9 years (range, 18-56). Mean donor monitoring duration was 45 ± 2.4 months (range, 3-192 months). Mean body mass index (BMI) was 24.28 ± 2.96 kg/m2 (range, 18.1-32.42 kg/m2). In our study 72 cases (25.7%) developed postoperative complications. There were 17 Clavien grade 3A, 1 grade 3B, and 5 grade 4A complications and also 1 death due to pulmonary embolism. CONCLUSION: Together with the increase in living donor surgery, the morbidity and mortality of these cases are becoming controversial. Full donor safety is only possible with appropriate donor choice requiring very detailed studies, a problem-free hepatectomy process, and close postoperative donor monitoring.
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Hepatectomía/efectos adversos , Trasplante de Hígado/efectos adversos , Donadores Vivos , Adolescente , Adulto , Selección de Donante , Femenino , Hepatectomía/métodos , Humanos , Trasplante de Riñón/efectos adversos , Trasplante de Hígado/métodos , Masculino , Persona de Mediana Edad , Seguridad del Paciente , Complicaciones Posoperatorias/etiología , Estudios Retrospectivos , Sitio Donante de Trasplante , Trasplantes , Adulto JovenRESUMEN
Liver transplantation is increasing worldwide. Pregnancy after liver transplantation is considered to be well tolerated with favorable neonatal outcomes in cases of stable and sufficient graft function. In this study, our aim was to determine pregnancy and neonatal outcomes of patients after liver transplantation. Data for patients who had been followed-up by the liver transplantation clinic at the Dokuz Eylül University Medical Faculty Hospital, Turkey, between 2002 and 2016, and who had pregnancy after the transplantation were evaluated retrospectively. The earliest post-transplantation conception occurred after 22 months and the latest conception occurred after 108 months (mean, 55.4 months). Twenty-one pregnancies concluded with live births (100%). The mean birth week was 37.09. The earliest birth occurred at 27 weeks and the latest at 40 weeks. Mean birth weight was 2993 g (10th to 25th percentiles). No pregnancy-induced hypertension, pre-eclampsia, or gestational diabetes were observed in any patient. Five pregnancies concluded with premature birth. In conclusion, several complications may occur during pregnancy (such as hypertension or pre-eclampsia, etc) in patients with liver transplantation, but it seems that pregnancy has good effects on graft functions and the neonatal outcomes are favorable.
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Nacimiento Vivo/epidemiología , Trasplante de Hígado/efectos adversos , Complicaciones del Embarazo/epidemiología , Nacimiento Prematuro/epidemiología , Adulto , Peso al Nacer , Femenino , Humanos , Hipertensión/epidemiología , Hipertensión/etiología , Recién Nacido , Embarazo , Complicaciones del Embarazo/etiología , Nacimiento Prematuro/etiología , Estudios Retrospectivos , Turquía/epidemiologíaRESUMEN
INTRODUCTION: Late acute rejection (LAR) is a clinical manifestation that occurs 6 months after liver transplantation, shows histopathologic features different from those of acute rejection, and is the cause of a high prevalence of morbidity and mortality. METHODS: In this study, hospital records of 211 living donor liver transplantation (LDLT) patients who underwent surgery in our clinic between June 2000 and February 2014 were reviewed retrospectively. The patients were ≥ 18 years old and were followed for ≥ 6 months. RESULTS: Of the 211 patients, 21 (9.9%; 16 males, 5 females) developed LAR. The mean age of the patients was 46 years (range, 33-58). The mean follow-up period was 61.2 months (range, 6-152) and the median time to development of LAR was 26.4 months (range, 7-77). In our study, patients who received cyclosporine and mycophenolate mofetil (MMF) treatment developed more LAR than did patients who received tacrolimus and MMF therapy (P = .05). In addition, the incidence of LAR in patients who underwent LDLT was significantly greater in the ABO-matched groups than in the ABO identical group (P = .028). CONCLUSIONS: Development of LAR and serious complications related to it can be avoided if liver transplant recipients are followed regularly and closely in outpatient clinics after transplantation.
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Rechazo de Injerto/epidemiología , Inmunosupresores/uso terapéutico , Trasplante de Hígado , Donadores Vivos , Adulto , Femenino , Rechazo de Injerto/tratamiento farmacológico , Rechazo de Injerto/inmunología , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores de Riesgo , Factores de Tiempo , Turquía/epidemiologíaRESUMEN
OBJECTIVE: Surgical site infection (SSI) is the most common infection after liver transplantation in our hospital. In this study, the effect of microorganisms isolated in liver transplant recipients' (LTRs') culture with SSI on antibiotic treatment has been investigated. METHOD: Between January 2003 and December 2013, microbiological data and antibiotic management of LTRs were examined from laboratory and patients' records retrospectively. For diagnosis of SSI, the Centers for Disease Control and Prevention criteria were used. Infections have been classified into 3 groups according to agent existence (culture negative, monomicrobial, or polymicrobial). The data were analyzed with the SPSS 17 program. RESULTS: In the study period, 457 liver transplantations were performed. The study included 412 adult LTRs. In 122 (29.6%) of these patients, at least 1 infection was detected within 30 days after transplantation. Seventy-one (17.2%) were SSI. Of LTRs with SSI, there were 36 (50.7%) with blood stream infection, 16 (22.5%) with pneumonia, and 10 (14.0%) with urinary tract infection together. Eighteen (25.4%) cases were polymicrobial (especially Acinetobacter baumannii and Enterococcus species), 35 (49.2%) cases were monomicrobial (firstly methicilline resistant Staphylococcus aureus), and 18 (25.4%) cases were culture negative SSI. In 60 (84%) cases, combined antibiotic treatment was used. Mortality rate was 14.0%. CONCLUSION: In LTRs with SSI, the impact of the isolation of an infectious agent on antibiotic selection could not be determined. Whether or not there are bacteria, on the basis of the local epidemiological data and patient characteristics, at least 2 or more antibiotics were combined for treatment. According to the resistance of the isolated microorganisms prior antibiotics have been changed.