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INTRODUCCIÓN: La lesión renal aguda (LRA) se define como una disminución en la capacidad que tienen los riñones para eliminar los productos nitrogenados de desecho, se instaura en horas o pocos días ocasionando aumento de la creatininemia y disminución del volumen urinario, aunque también puede presentarse con volumen urinario normal. La definición modificada de Kidney Disease Improving Global Outcomes; KDIGO incluye la diuresis y el aumento de creatininemia como criterios diagnósticos para LRA OBJETIVO: Evaluar la prevalencia de LRA en recién nacidos pretérmino (RNPT) con peso al nacer menor o igual a 1600 gramos internados en la unidad de cuidados intensivos del Hospital Materno Provincial Dr. Raúl Felipe Lucini desde enero a diciembre de 2022. Caracterizar la población de RNPT que desarrolló LRA en función de las alteraciones en la diuresis y terapia de reemplazo renal. MATERIALES Y MÉTODOS: Estudio retrospectivo y descriptivo. Se incluyeron RNPT con peso ≤ a 1600 gramos. A los pacientes incluidos se le registraron los valores de creatininemia obtenidos durante su período de internación. Se calculó la prevalencia de LRA. RESULTADOS: Se registraron 3066 recién nacidos vivos en el año 2022. Fueron incluidos 57 prematuros. Se diagnosticó LRA en 6 pacientes. La prevalencia de LRA en RNPT, en el período estudiado fue de 10,5 %. CONCLUSIÓN: La creatinina sérica es el biomarcador de rutina más utilizado en la práctica clínica para evaluar la función renal. Cumple de manera ineficiente con los requisitos para valorar la LRA dado que mide filtrado glomerular y no daño renal. Es fundamental incorporar biomarcadores tempranos y específicos para el diagnóstico oportuno de esta patología.

Objective: To analyze, from the perspective of decolonial feminism, the power and oppression relations experienced by nurses in the delivery room in a hospital in Mexico., Method: Qualitative study in which 15 nurses selected by theoretical sampling were interviewed. The interviews were fully transcribed and subsequently analyzed using content analysis., Results: The emerging central category was "Inter- and intragender power/oppression relations" and psychological and symbolic violence were the most frequent types. Gender was confirmed as the most important structural determinant of oppression, cutting across bodies and professional identities. The conditions contributing to intragender conflict are age, expertise, and specialization. Three coping resources were documented: defenselessness, complicity and resistance., Conclusion: It is necessary to denaturalize the forms of power/oppression sustained by gender inequalities, but also to discuss other conditions that determine power/oppression relations between women and colleagues. Eradicating intra-gender and intergender violence is necessary to access safe working environments that promote creativity for the exercise of care.

Introduction: Due to the favourable impact of removing the sinks on isolations in bronchoaspirate samples of patients with mechanical ventilation, we now evaluate the impact on the consumption of antibiotics as well as on the results of the Zero Resistance Project (ZRP)., Patients and Methods: All the patients admitted to the unit in a quasi-experimental before-after study with a pre-intervention period between 2014 and 2016 and a post-intervention period from 2016 to 2017, to evaluate antibiotic consumption in defined daily doses, and until 2018, to evaluate the ZRP indicators. The intervention was the removal of the sinks from the rooms of the ICU. We evaluated antibiotic consumption densities and their ratios, grouped as Enterobacteriaceae and non-fermenting gram-negative bacilli (NFGNB) according to their antibiograms; the absolute number of 'antibiotic days', 'hospitalised days', 'isolation days', and 'multi-resistant bacteria (MRB) days'; as well as their incidence densities per 1000 hospitalised days and the ratio between the two years prior to and the two years after the intervention., Results: Post-intervention antibiotic use was 1.61-fold (1.60-1.62) and 2.24-fold (2.10-2.37) lower for antibiotics used against Enterobacteriaceae and NFGNB, respectively. There were also reductions in the number of days of antibiotic use by 1.29-fold (1.22-1.36), number of MRB days by 1.84-fold (1.63-2.08), and number of patient isolation days by 1.51-fold (1.38-1.66)., Discussion: The results suggest that the intervention had a favourable impact on the consumption of antibiotics, as well as on the number of days on antibiotics, MRB, and isolation., (Copyright © 2021 Elsevier España, S.L.U. All rights reserved.)

The objective of the study was to describe the characteristics of the Clinical Trials (CT) supervised by the Institute of Health Technology Assessment and Research carried out in EsSalud between 2015 and 2018 and the main observations of the supervisions completed. A descriptive study of 82 supervised clinical trials was conducted between 2015 and 2018. Most of the clinical trials were phase III studies (81.7%); the most frequent route of administration of the study products was oral (47.6%), and most were sponsored by the pharmaceutical industry (96.3%). The most frequent observations were those related to the study contract (83.8%), overhead payment (57.3%), and the lack of regulatory documents (47.6%). These findings allow the identification of opportunities for improvement in research regulation and management.

Objective: Palatal fistula after the repair of cleft palate appears in 7.7-35% of patients. We present two cases of palatal fistula, detailing a multi-layer repair with an interpositional collagen graft., Material and Methods: Patient 1: girl with a cleft palate operated using a Furlow technique. A reintervention was performed due to a Pittsburgh type III fistula. Patient 2: male with cleft palate operated using a Furlow technique. A reintervention was performed due to a type V fistula., Results: We used a multilayer repair with a local rotational flap and the interposition of a collagen matrix between the nasal and oral layers. The suture was reinforced with a fibrin hemostatic adhesive. No recurrence of the fistula after 2 years., Conclusions: The three-layer closure is simple, safe, effective and avoids refistulizations. Interpositional grafts of a resorbable collagen membrane provide a "scaffold" for tissue growth, revascularization and epithelialization of the mucosa.

Introduction and Objectives: Recurrent abdominal pain is defined as > 3 episodes of abdominal pain accompanied by affectation of the daily activity, during > 3 months. Our objective is to analyze the role of diagnostic and/or therapeutic laparoscopy., Material and Methods: A descriptive, retrospective study from 2004 to 2016. Patients: <14 years with DAR who underwent laparoscopy. Variables: age, sex, history, surgical findings, histology and follow-up., Results: 55 patients. Mean age: 10.7 years. Female 63, 6%. Probability of allergic comorbidity: 27.27% [16.138-40.962] (CI 95%). Probability of subsequent psychological comorbidity: 12.72% [5.27 -24.48] (95% CI). Histological changes 31/55 (56.36%): lymphoid nodular hyperplasia 10/31, appendicular inflammation 7/31, fecalite 3/31, carcinoid tumor 1/31, appendicular fibrosis 3/31, Meckel diverticulum 1/31, association of several of the above 8/31. Macroscopic alterations 31/55 (56.36%): appendicular pathology 10/31, adhesions 5/31, lymph nodes 2/31, ileitis 2/31, tubal cysts 1/31, Meckel 1/31 diverticulum, several of the previous ones 10/31. Remission of symptoms: 30/55 (54.54%). In some cases, with partial improvement (4/55) or persistence of symptoms (21/55), organic and/ or psychological cause was demonstrated (16/25)., Conclusions: Recurrent abdominal pain seems to have a significant association with an allergic or psychological history. Exploratory laparoscopy is a useful diagnostic and therapeutic technique.

Objective: A review of anterior congenital diaphragmatic hernias (CDH) treated at our center, analysis of our experience and evolution in the surgical technique in pediatric patients over the last 15 years., Material and Methods: A retrospective descriptive study of patients of our center with anterior CDH (Morgagni, Larrey and Morgagni-Larrey) between 2000 and 2015, through a systematic review of clinical records. The studied variables were: age at diagnosis, age at treatment, diagnostic methods, symptoms, surgical technique, evolution, complications and relapses. Posterior CDH (Bochdalek) and patients older than 14 years old were excluded., Results: 13 patients (8 females) with anterior diaphragmatic hernia. Mean age at diagnosis was 29.4 months (range fetal age 4 months-14 years old) and mean age at surgery 18.5 m (range 1 day-14 years). Three left hernias (Larrey hernia) and n= 2central hernias (Morgagni-Larrey). Two patients were diagnosed prenatally, the rest of them were casual diagnoses. Symptoms: n= 6 asymptomatic, n= 4respiratory symptoms, n= 1abdominal pain, n= 1both symptoms and n= 1 hydrops fetalis. In all cases, a chest X-ray was performed, CT in n= 5 cases and US in other n= 5 patients. The surgical approach was laparoscopic in n= 7 (1 conversion due to bleeding), thoracoscopic in n= 1 (requiring conversion to laparotomy due to technical difficulty), thoracotomy in n= 1patients and laparotomy in n= 4. Prosthetic patches were necessary in n= 2 patients. During the follow-up (3.9 years, range: 1-8), there were n= 2 recurrences (laparoscopy and thoracotomy) and n= 1 exitus 2 years after surgery, due to pathology not associated with diaphragmatic hernia., Conclusions: The minimally invasive approach is considered of choice in the literature. Our group considers that most patients with anterior CDH should be considered for a laparoscopic repair. The laparoscopic approach is easily reproducible and the conversion rate is low when it is performed by expert surgeons. However, the low prevalence of this pathology would require comparative and long-term multicenter studies to obtain statistically significant conclusions.

Percutaneous vertebroplasty is a minimally invasive procedure that has shown excellent results in the treatment of back pain due to acute-subacute vertebral fracture. The bone scintigraphy shows the increase of metabolic exchange in the fracture. The new hybrid SPECT-CT equipment combines bone SPECT images with Computed Tomography (CT), making it possible to obtain more combined, functional and anatomical information. We present 5 selected patients studied by bone SPECT-CT in whom fused images made it possible to obtain a more precise localization of the pain origin, and thus assess other possible causes of the vertebral pain or even reassess the vertebroplasty indication.

Cortisol is a pluripotent hormone that is vital in the host adaptation to stress. It is essential to maintain the normal vascular tone, endothelial integrity and vascular permeability. Consequently, the failure of an appropriate adrenal response in the setting of critical illness, alteration known as relative adrenal insufficiency, may have important clinical consequences. The diagnosis of this entity is not possible on clinical grounds and relies on the measurement of plasma cortisol levels prior and after adrenal stimulation with synthetic corticotrophin. Several studies performed in the general population have shown that relative adrenal insufficiency contributes to vascular hyporesponsiveness in septic shock and increases mortality. However, contradictory data exist regarding the effects of hydrocortisone administration in these patients. Moreover, recent studies indicate that relative adrenal insufficiency is very frequent in patients with advanced cirrhosis and septic shock and in fulminant hepatic failure. This chapter summarizes the main aspects of the physiopathology, diagnosis and treatment of this entity in patients with acute or chronic liver disease.

The Spanish Association for the Study of the Liver decided in 2006 to develop a project to assess the quality of the professionals, processes and medical units dealing with the management of patients with liver diseases in Spain. The current article reports the criteria proposed to assess the quality and the accreditation of the processes in hepatology. The processes considered include most patients with liver diseases and the accreditation system designed is highly specific. This document, together with a previous one published in gastroenterología y hepatología concerning the accreditation of the professionals and a third document dealing with the accreditation of liver units that will be published soon, form the basis of the quality assessment of hepatology in our country.

During the XXII Congress of the Spanish Association for the Study of the Liver a questionnaire was distributed with the aim of describing the current therapeutic attitude of those attending the meeting, concerning two of the most frequent complications of cirrhosis: ascites and spontaneous bacterial peritonitis (SBP). One hundred twelve of the 135 physicians who answered the questionnaire (83%) use to treat tense ascites by therapeutic paracentesis, while 86 physicians (63.7%) managed moderate ascites with diuretics, with spironolactone being the drug most commonly used (n = 117; 87.3%). The most used diuretic schedule for the treatment of ascites was the isolated administration of spironolactone. Frusemide was associated with spironolactone only when moderate or high doses of the latter were found to be insufficient for increasing urinary sodium excretion and eliminating ascites. Following therapeutic paracentesis however, 79 of those surveyed (58.3%) administered a combination of both diuretics on initiation to avoid reaccumulation of ascitic fluid. Sixty-eight of the physicians (50.3%) used transhepatic intrajugular portosystemic shunt in the treatment of refractory ascites. Cefotaxime was the antibiotic most widely used in the treatment of SBP (n = 119; 88%). Most of the physicians surveyed performed prophylaxis of this infection (generally by the oral administration of norfloxacin) in patients with a previous history of SBP (n = 125; 92.6%) or an episode of gastrointestinal hemorrhage (n = 108; 80%) but not in those patients with no previous history of SBP and with low protein concentrations in the ascitic fluid (n = 40; 29.6%). On the appearance of SBP in patients undergoing prophylactic treatment, cefotaxime remained the antibiotic of choice (n = 104; 79%).

The accumulation of ascites in cirrhosis has been classically attributed to the transudation of fluid from the splanchnic vascular bed to the peritoneal cavity due to the presence of portal hypertension. This transudation of fluid would induce hypovolemia responsible for the renal abnormalities frequently observed in these patients. Recent studies, however, indicate that the pathophysiology of ascites in cirrhosis is far more complex. Cirrhotic patients with ascites usually have profound disturbances in systemic hemodynamics and renal function and an activation of the endogenous vasoactive systems that contribute to the formation of ascites. In the present article the pathogenesis of these disturbances and their possible contribution to the formation of ascites are discussed.

During the first 18 months of liver transplantation program for adult patients we evaluated 98 potential candidates for this treatment. Forty five patients were refused for transplantation and 53 were accepted. Forty six out of these 53 cases were transplanted. Ten (22%) out of the 46 patients undergoing transplantation had chronic hepatic cholestasis, 31 (67%) chronic hepatic diseases of non biliary origin (3 patients had an associated hepatocarcinoma), and 5 patients (11%) suffered an acute hepatic failure. All transplanted patients with previous chronic hepatic diseases had clinical and biological signs of advanced hepatic failure. There were no operative deaths. During the follow-up period 6 transplanted patients (13%) died. The survival probability among the 46 operated patients was about 84% at 12 months after the transplant. This survival was theoretically higher than that expected to occur without transplantation. The survival probability among the 46 transplanted patients was significantly higher (p = 0.0001) than that recorded in 36 patients with comparable hepatic diseases who were evaluated during the same study period and who were not considered for transplantation due to several reasons. The survival probability at the first year in the later group of 36 patients was 20%.