Survival of Vascular Accesses in Chronic Hemodialysis Patients.

BACKGROUND/AIMS: Vascular access (VA) is the highest risk factor for blood infections, hospitalization, and mortality of patients undergoing hemodialysis (HD). The risk of mortality while using a catheter is greater than that while using grafts. The objective of this article is to know the survival rate in relation to the type of VA. METHODS: A retrospective cohort of HD patients was studied. The data gathered included age, gender, first VA at the surrogate site, days between the first and second access, number of accesses, and anatomical site of VA placement. Mean differences were estimated using χ2 or Student's t test. Survival was calculated using the Kaplan-Meier curves and included in tables. Statistical significance was established as p < 0.05. The statistical computer software package SPSSw v25 was used for the analysis. RESULTS: A total of 896 patients were included with a mean age of 47.88 years (SD ± 16.52), the duration of the first VA was 398.81 days (±565.79), the mean number of VAs used was 2.26 (±1.15), and the median time undergoing HD was 728.73 days. The duration of catheter placement was 330.42 days, and 728.60 days for fistula use (p = 0.001). The mean number of days of renal replacement was 611.59 days for catheter and 1,495.25 days for internal arteriovenous fistula (IAVF) patients (p = 0.001). CONCLUSIONS: The survival of the initial VA is greater for the IAVF, followed by the tunneled catheters and the lowest by the non-tunneled catheters, which continue to be frequently used in our setting.

Perinatal morbidity and mortality of children born to mothers with chronic kidney disease.

INTRODUCTION: Chronic kidney disease (CKD) associated with pregnancy increases the risk of maternal and fetal complications. OBJECTIVE: To determine perinatal morbidity and mortality of children born to mothers with mild and moderate CKD during pregnancy. METHODS: Retrospective study of medical records of women with mild and moderate CKD during pregnancy cared for at La Raza National Medical Center between 2010 and 2016. RESULTS: There were 142 patients, 99 (69.72%) with mild CKD and 43 (30.28%) with moderate CKD; 79 neonates (55.63%) reached full term, 28 (19.71%) had growth restriction; 44 (30.98%), low birth weight and 54 (38.02%) were admitted to the neonatal intensive care unit (NICU); and four women (4.04%) had an abortion; in four (2.81%), their children had intrauterine death, and in 10 (7.04%), neonatal death. High blood pressure (odds ratio [OR] = 6.93) and hemoglobin < 11 g/dL (OR = 2.48) were risk factors for prematurity. CONCLUSION: A relationship was found between anemia and blood pressure levels and risk for prematurity, low Apgar, and NICU admission.

INTRODUCCIÓN: La enfermedad renal (ER) crónica asociada al embarazo incrementa el riesgo de complicaciones maternas y fetales. OBJETIVO: Determinar la morbilidad y mortalidad perinatal del hijo de madre con enfermedad renal leve y moderada del embarazo. MÉTODOS: Estudio retrospectivo de expedientes de mujeres con ER leve y moderada del embarazo atendidas en el Centro Médico Nacional La Raza entre 2010 y 2016. RESULTADOS: Se trató de 142 pacientes, 99 (69.72 %) con ER leve y 43 (30.28 %) con ER moderada; 79 (55.63 %) neonatos llegaron a término, 28 (19.71 %) presentaron restricción de crecimiento; 44 (30.98 %), peso bajo al nacimiento y 54 (38.02 %) ingresaron a la unidad de cuidados intensivos neonatales; cuatro (4.04 %) mujeres presentaron aborto, en cuatro (2.81 %) sus hijos presentaron muerte intrauterina y en 10 (7.04 %), muerte neonatal. La presión arterial alta (RM = 6.93) y la hemoglobina < 11g/dL (RM = 2.48) constituyeron factores de riesgo para prematurez. CONCLUSIÓN: Se encontró relación entre la anemia y las cifras de tensión arterial como riesgo para prematurez, Apgar bajo e ingreso a unidad de cuidados intensivos neonatales.