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1.
Lancet Glob Health ; 10(1): e134-e141, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34843671

RESUMEN

BACKGROUND: Worldwide, haemoglobin E ß-thalassaemia is the most common genotype of severe ß-thalassaemia. The paucity of long-term data for this form of thalassaemia makes evidence-based management challenging. We did a long-term observational study to define factors associated with survival and complications in patients with haemoglobin E thalassaemia. METHODS: In this prospective, longitudinal cohort study, we included all patients with haemoglobin E thalassaemia who attended the National Thalassaemia Centre in Kurunegala, Sri Lanka, between Jan 1, 1997, and Dec 31, 2001. Patients were assessed up to three times a year. Approaches to blood transfusions, splenectomy, and chelation therapy shifted during this period. Survival rates between groups were evaluated using Kaplan-Meier survival function estimate curves and Cox proportional hazards models were used to identify risk factors for mortality. FINDINGS: 109 patients (54 [50%] male; 55 [50%] female) were recruited and followed up for a median of 18 years (IQR 14-20). Median age at recruitment was 13 years (range 8-21). 32 (29%) patients died during follow-up. Median survival in all patients was 49 years (95% CI 45-not reached). Median survival was worse among male patients (hazard ratio [HR] 2·51, 95% CI 1·16-5·43), patients with a history of serious infections (adjusted HR 8·49, 2·90-24·84), and those with higher estimated body iron burdens as estimated by serum ferritin concentration (adjusted HR 1·03, 1·01-1·06 per 100 units). Splenectomy, while not associated with statistically significant increases in the risks of death or serious infections, ultimately did not eliminate a requirement for scheduled transfusions in 42 (58%) of 73 patients. Haemoglobin concentration less than or equal to 4·5 g/dL (vs concentration >4·5 g/dL), serum ferritin concentration more than 1300 µg/L (vs concentration ≤1300 µg/L), and liver iron concentration more than 5 mg/g dry weight of liver (vs concentration ≤5 mg/g) were associated with poorer survival. INTERPRETATION: Patients with haemoglobin E thalassaemia often had complications and shortened survival compared with that reported in high-resource countries for thalassaemia major and for thalassaemia intermedia not involving an allele for haemoglobin E. Approaches to management in this disorder remain uncertain and prospective studies should evaluate if altered transfusion regimens, with improved control of body iron, can improve survival. FUNDING: Wellcome Trust, Medical Research Council, US March of Dimes, Anthony Cerami and Ann Dunne Foundation for World Health, and Hemoglobal.


Asunto(s)
Talasemia beta/complicaciones , Talasemia beta/mortalidad , Adolescente , Adulto , Transfusión Sanguínea/estadística & datos numéricos , Terapia por Quelación/métodos , Terapia por Quelación/estadística & datos numéricos , Niño , Femenino , Ferritinas/sangre , Hemoglobina E/análisis , Hemoglobinas , Humanos , Estimación de Kaplan-Meier , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Modelos de Riesgos Proporcionales , Estudios Prospectivos , Esplenectomía/estadística & datos numéricos , Sri Lanka/epidemiología , Adulto Joven
2.
Transfusion ; 61 Suppl 2: S11-S35, 2021 09.
Artículo en Inglés | MEDLINE | ID: mdl-34337759

RESUMEN

INTRODUCTION: Supplemental data from the 2019 National Blood Collection and Utilization Survey (NBCUS) are presented and include findings on donor characteristics, autologous and directed donations and transfusions, platelets (PLTs), plasma and granulocyte transfusions, pediatric transfusions, transfusion-associated adverse events, cost of blood units, hospital policies and practices, and implementation of blood safety measures, including pathogen reduction technology (PRT). METHODS: National estimates were produced using weighting and imputation methods for a number of donors, donations, donor deferrals, autologous and directed donations and transfusions, PLT and plasma collections and transfusions, a number of crossmatch procedures, a number of units irradiated and leukoreduced, pediatric transfusions, and transfusion-associated adverse events. RESULTS: Between 2017 and 2019, there was a slight decrease in successful donations by 1.1%. Donations by persons aged 16-18 decreased by 10.1% while donations among donors >65 years increased by 10.5%. From 2017 to 2019, the median price paid for blood components by hospitals for leukoreduced red blood cell units, leukoreduced apheresis PLT units, and for fresh frozen plasma units continued to decrease. The rate of life-threatening transfusion-related adverse reactions continued to decrease. Most whole blood/red blood cell units (97%) and PLT units (97%) were leukoreduced. CONCLUSION: Blood donations decreased between 2017 and 2019. Donations from younger donors continued to decline while donations among older donors have steadily increased. Prices paid for blood products by hospitals decreased. Implementation of PRT among blood centers and hospitals is slowly expanding.


Asunto(s)
Donantes de Sangre/estadística & datos numéricos , Encuestas de Atención de la Salud , Adolescente , Adulto , Distribución por Edad , Anciano , Bancos de Sangre/estadística & datos numéricos , Eliminación de Componentes Sanguíneos/estadística & datos numéricos , Transfusión de Componentes Sanguíneos/estadística & datos numéricos , Transfusión de Componentes Sanguíneos/tendencias , Donantes de Sangre/provisión & distribución , Antígenos de Grupos Sanguíneos/genética , Transfusión Sanguínea/estadística & datos numéricos , Transfusión Sanguínea/tendencias , Transfusión de Sangre Autóloga/estadística & datos numéricos , Transfusión de Sangre Autóloga/tendencias , Áreas de Influencia de Salud , Niño , Preescolar , Transmisión de Enfermedad Infecciosa/prevención & control , Selección de Donante/estadística & datos numéricos , Femenino , Costos de la Atención en Salud , Hospitales/estadística & datos numéricos , Humanos , Lactante , Recién Nacido , Procedimientos de Reducción del Leucocitos/economía , Procedimientos de Reducción del Leucocitos/métodos , Masculino , Persona de Mediana Edad , Política Organizacional , Asunción de Riesgos , Muestreo , Procedimientos Quirúrgicos Operativos/estadística & datos numéricos , Reacción a la Transfusión/epidemiología , Estados Unidos/epidemiología , Adulto Joven
3.
Am J Obstet Gynecol ; 225(5): 540.e1-540.e8, 2021 11.
Artículo en Inglés | MEDLINE | ID: mdl-33961809

RESUMEN

BACKGROUND: Fetomaternal hemorrhage is associated with severe fetal morbidity and mortality. The recurrence risk of fetomaternal hemorrhage is unknown. OBJECTIVE: We sought to establish the recurrence rate of fetomaternal hemorrhage in a large integrated healthcare system over a 10-year period. STUDY DESIGN: In this retrospective study within the Kaiser Permanente Northern California medical system, cases of fetomaternal hemorrhage were defined by either an elevated fetal hemoglobin level as determined by flow cytometry for a concerning pregnancy outcome (preterm delivery, perinatal demise, neonatal anemia, or transfusion within the first 2 days of life) or by perinatal demise with autopsy findings suggestive of fetomaternal hemorrhage. The outcomes of subsequent pregnancies were reviewed for features of recurrence. RESULTS: Within the 2008 to 2018 birth cohort of 375,864 pregnancies, flow cytometry testing for fetal hemoglobin levels was performed in 20,582 pregnancies. We identified 340 cases of fetomaternal hemorrhage (approximately 1 in 1100 births). Within the cohort of 340 affected pregnancies, perinatal loss was recorded for 80 (23.5%) pregnancies and 50 (14.7%) pregnancies delivered neonates who required transfusion. The affected patients had 225 subsequent pregnancies of which 210 were included in the analysis. Of these, 174 (82.9%) advanced beyond the threshold of viability and were delivered within our healthcare system. There was 1 case of recurrent fetomaternal hemorrhage identified. The recurrent case involved a spontaneous preterm delivery of an infant who was noted to have an elevated reticulocyte count but was clinically well. CONCLUSION: Within our large integrated healthcare system, approximately 1 in 1100 pregnancies was affected by fetomaternal hemorrhage within a 10-year period, which is comparable with previous studies. We identified 1 case of recurrence, yielding a recurrence rate of 0.5%. This infant did not have features of clinically important fetomaternal hemorrhage. This information can inform counseling of patients with affected pregnancies.


Asunto(s)
Transfusión Fetomaterna/epidemiología , Adulto , Transfusión Sanguínea/estadística & datos numéricos , California/epidemiología , Prestación Integrada de Atención de Salud , Femenino , Hemoglobinas/análisis , Humanos , Incidencia , Recién Nacido , Muerte Perinatal , Embarazo , Recurrencia , Estudios Retrospectivos
4.
Clin Nephrol ; 95(4): 189-194, 2021 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-33433318

RESUMEN

BACKGROUND: Intravenous iron is one of the main therapies for anemia management in hemodialysis-dependent patients. Data comparing the efficacy of ferumoxytol versus other parenteral iron supplements are scarce. The objective of the study was to compare the efficacy of ferumoxytol with that of sodium ferric gluconate in outpatient hemodialysis patients. MATERIALS AND METHODS: A prospective, observational study was conducted in outpatients receiving ferumoxytol 510 mg once or twice quarterly compared to sodium ferric gluconate 125 mg weekly in a single center hemodialysis center in Ontario, Canada. Patient demographics, hemoglobin levels, iron indices, iron doses, and erythropoiesis-stimulating agent (ESA) doses were collected. RESULTS: The study sample consisted of 291 observations from 173 patients. Generalized estimating equations of multiple linear regression modeling were conducted to compare the outcomes while adjusting for baseline scores. Approximately 25% of the study participants received ferumoxytol while 75% received sodium ferric gluconate. Patients treated were mainly males (58.4%), and the mean age was 68.73 (SD ± 13.03) years. Both groups did not show significant differences in their hemoglobin levels (Wald z = 0.54; p = 0.46), ESA utilization at 3 months (Wald z = 0.20; p = 0.65), and TSAT levels (Wald z = 3.45; p = 0.06). However, the iron levels (Wald z = 4.24; p = 0.04) and ferritin levels (Wald z = 5.14; p = 0.02) were higher in the ferric gluconate group (Wald z = 58.78; p ≤ 0.001), and patients who received ferumoxytol received more blood transfusions as compared to those who received sodium ferric gluconate (χ2 = 16.71; p ≤ 0.001). CONCLUSION: Both iron products maintained hemoglobin levels, but patients receiving ferumoxytol had lower iron indices and received more blood transfusions compared to patients who received sodium ferric gluconate.


Asunto(s)
Anemia , Compuestos Férricos , Óxido Ferrosoférrico , Diálisis Renal/efectos adversos , Anciano , Anciano de 80 o más Años , Anemia/tratamiento farmacológico , Anemia/etiología , Transfusión Sanguínea/estadística & datos numéricos , Femenino , Compuestos Férricos/administración & dosificación , Compuestos Férricos/uso terapéutico , Óxido Ferrosoférrico/administración & dosificación , Óxido Ferrosoférrico/uso terapéutico , Hemoglobinas/análisis , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Resultado del Tratamiento
5.
World Neurosurg ; 148: e209-e217, 2021 04.
Artículo en Inglés | MEDLINE | ID: mdl-33385596

RESUMEN

BACKGROUND: The occurrence of coronavirus disease 2019 (COVID-19) has overwhelmed the blood supply chain worldwide and severely influenced clinical procedures with potential massive blood loss, such as clipping surgery for aneurysmal subarachnoid hemorrhage (aSAH). Whether acute normovolemic hemodilution (ANH) is safe and effective in aneurysm clipping remains largely unknown. METHODS: Patients with aSAH who underwent clipping surgery within 72 hours from bleeding were included. The patients in the ANH group received 400 mL autologous blood collection, and the blood was returned as needed during surgery. The relationships between ANH and perioperative allogeneic blood transfusion, postoperative outcome, and complications were analyzed. RESULTS: Sixty-two patients with aSAH were included between December 2019 and June 2020 (20 in the ANH group and 42 in the non-ANH group). ANH did not reduce the need of perioperative blood transfusion (3 [15%] vs. 5 [11.9%]; P = 0.734). However, ANH significantly increased serum hemoglobin levels on postoperative day 1 (11.5 ± 2.5 g/dL vs. 10.3 ± 2.0 g/dL; P = 0.045) and day 3 (12.1 ± 2.0 g/dL vs. 10.7 ± 1.3 g/dL; P = 0.002). Multivariable analysis indicated that serum hemoglobin level on postoperative day 1 (odds ratio, 0.895; 95% confidence interval, 0.822-0.973; P = 0.010) was an independent risk factor for unfavorable outcome, and receiver operating characteristic curve analysis showed that it had a comparable predictive power to World Federation of Neurosurgical Societies grade (Z = 0.275; P > 0.05). CONCLUSIONS: ANH significantly increased postoperative hemoglobin levels, and it may hold the potential to improve patients' outcomes. Routine use of ANH should be considered in aneurysm clipping surgery.


Asunto(s)
Aneurisma Roto/cirugía , Transfusión de Sangre Autóloga/métodos , Procedimientos Médicos y Quirúrgicos sin Sangre/métodos , Hemodilución/métodos , Aneurisma Intracraneal/cirugía , Procedimientos Neuroquirúrgicos/métodos , Hemorragia Subaracnoidea/cirugía , Adulto , Anciano , Transfusión Sanguínea/estadística & datos numéricos , COVID-19 , Femenino , Hemoglobinas/metabolismo , Humanos , Masculino , Persona de Mediana Edad , Atención Perioperativa , SARS-CoV-2 , Instrumentos Quirúrgicos
6.
J Surg Res ; 257: 32-41, 2021 01.
Artículo en Inglés | MEDLINE | ID: mdl-32818782

RESUMEN

BACKGROUND: Older patients often have iron deficiency anemia before surgery, which can be effectively treated with intravenous iron supplementation (IVIS). Anemia and blood transfusions are associated with an increased risk of delirium. The aim of this research was to assess the effectiveness and safety of using IVIS in a prehabilitation program. MATERIAL AND METHODS: Patients ≥70 y who underwent abdominal surgery between November 2015 and June 2018 were included in this single-center prospective cohort study. All patients were prehabilitated; however, only anemic patients received a single dose of 1000 mg intravenous iron (ferric carboxymaltose) to increase preoperative hemoglobin levels (IVIS group). Nonanemic patients received standard care (SC). The hemoglobin levels (primary outcome) were assessed at the outpatient clinic visit, at admission, and at discharge. Secondary outcomes were postoperative delirium, postoperative anemia, blood transfusion, complications other than delirium, and length of hospital stay. All outcomes were compared between the IVIS group and SC group. RESULTS: Of all patients (n = 248), 97 anemic patients received IVIS (39%). Of the anemic patients, 50 patients (52%) had iron deficiency. Initial differences in hemoglobin concentrations between the IVIS group and SC group at T1 and T2 (7.2 versus 8.8; P < 0.001 and 7.4 versus 8.6; P = 0.023, respectively) were no longer present at discharge (6.6 versus 7.2; P = 0.35). No statistically significant differences were observed for all secondary outcomes between the IVIS group and the SC group. No infusion-related adverse events occurred. CONCLUSIONS: Adding IVIS to prehabilitation programs is safe and diminishes differences in these concentrations between preoperatively anemic and nonanemic patients. IVIS may be worthwhile as an additional component of prehabilitation programs. Results merit further investigation.


Asunto(s)
Hierro/administración & dosificación , Cuidados Preoperatorios/métodos , Abdomen/cirugía , Anciano , Anciano de 80 o más Años , Anemia/epidemiología , Anemia Ferropénica/tratamiento farmacológico , Anemia Ferropénica/epidemiología , Transfusión Sanguínea/estadística & datos numéricos , Estudios de Cohortes , Delirio/epidemiología , Procedimientos Quirúrgicos Electivos , Femenino , Hemoglobinas/análisis , Humanos , Infusiones Intravenosas , Masculino , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/prevención & control , Estudios Prospectivos
7.
J Pediatr Hematol Oncol ; 43(8): e1073-e1076, 2021 11 01.
Artículo en Inglés | MEDLINE | ID: mdl-33273415

RESUMEN

BACKGROUND: When the COVID-19 epidemic occurred for the first time in December 2019, the governments worldwide took some restriction measures for slowing the spread of novel coronavirus. Eventually, there was a considerable decrease in volunteer blood donations. Regular transfusions and follow-up of patients with thalassemia major (TM) should be maintained during this period. It is possible that the treatment of the patients with TM may hinder due to the difficulty of reaching the treatment center and the difficulty of blood supply. Thus, in this study, we aimed to investigate whether there were any differences in the follow-up and treatment of the patients with TM during the outbreak. MATERIALS AND METHODS: Sixty-one patients with TM who were followed up in our center without COVID-19 contact history and symptoms were included in this study. The demographic features and red blood cell volume per kilogram they received, pretransfusion hemoglobin, serum ferritin (SF) level, biochemical parameters, and transfusion interval were recorded. The difference between the arithmetic mean of the data before and during the pandemic was evaluated. RESULTS: In this study, 61 patients with TM (32 males/29 females, mean age 13.9±6.8 y) were evaluated. The mean pretransfusion hemoglobin value was 9.14±0.77 g/dL and 8.87± 0.80 g/dL before and during the pandemic, respectively (P=0.023). There was no difference between before and during the pandemic concerning transfusion interval and transfusion volume. However, SF levels increased above 1000 ng/mL in 16.6% of patients. CONCLUSION: Although blood donation decreased significantly during the pandemic, it was observed in this study that the blood needs of patients with TM could be provided. The results of the SF level showed that the management of chelation therapy should be more meticulous. However, we should be ready for the challenges in the transfusion practice of patients with TM due to fluctuations in the COVID-19 pandemic.


Asunto(s)
Transfusión Sanguínea/estadística & datos numéricos , COVID-19/epidemiología , Continuidad de la Atención al Paciente/estadística & datos numéricos , Accesibilidad a los Servicios de Salud , Pautas de la Práctica en Medicina/normas , SARS-CoV-2/aislamiento & purificación , Talasemia beta/terapia , Adolescente , Donantes de Sangre/provisión & distribución , COVID-19/virología , Femenino , Humanos , Masculino , Aceptación de la Atención de Salud , Cooperación del Paciente , Turquía/epidemiología , Talasemia beta/patología
8.
FASEB J ; 34(11): 15400-15416, 2020 11.
Artículo en Inglés | MEDLINE | ID: mdl-32959428

RESUMEN

MDS are characterized by anemia and transfusion requirements. Transfused patients frequently show iron overload that negatively affects hematopoiesis. Iron chelation therapy can be effective in these MDS cases, but the molecular consequences of this treatment need to be further investigated. That is why we studied the molecular features of iron effect and Deferasirox therapy on PI-PLCbeta1 inositide signaling, using hematopoietic cells and MDS samples. At baseline, MDS patients showing a positive response after iron chelation therapy displayed higher levels of PI-PLCbeta1/Cyclin D3/PKCalpha expression. During treatment, these responder patients, as well as hematopoietic cells treated with FeCl3 and Deferasirox, showed a specific reduction of PI-PLCbeta1/Cyclin D3/PKCalpha expression, indicating that this signaling pathway is targeted by Deferasirox. The treatment was also able to specifically decrease the production of ROS. This effect correlated with a reduction of IL-1A and IL-2, as well as Akt/mTOR phosphorylation. In contrast, cells exposed only to FeCl3 and cells from MDS patients refractory to Deferasirox showed a specific increase of ROS and PI-PLCbeta1/Cyclin D3/PKCalpha expression. All in all, our data show that PI-PLCbeta1 signaling is a target for iron-induced oxidative stress and suggest that baseline PI-PLCbeta1 quantification could predict iron chelation therapy response in MDS.


Asunto(s)
Ciclina D3/metabolismo , Sobrecarga de Hierro/complicaciones , Hierro/efectos adversos , Síndromes Mielodisplásicos/terapia , Estrés Oxidativo/efectos de los fármacos , Fosfolipasa C beta/metabolismo , Proteína Quinasa C-alfa/metabolismo , Anciano , Transfusión Sanguínea/estadística & datos numéricos , Ciclina D3/genética , Deferasirox/farmacología , Femenino , Regulación de la Expresión Génica , Humanos , Quelantes del Hierro/farmacología , Masculino , Persona de Mediana Edad , Síndromes Mielodisplásicos/patología , Fosfolipasa C beta/genética , Fosforilación , Proteína Quinasa C-alfa/genética , Transducción de Señal
9.
Am J Gastroenterol ; 115(10): 1609-1616, 2020 10.
Artículo en Inglés | MEDLINE | ID: mdl-32796176

RESUMEN

INTRODUCTION: Although current literature has addressed gastrointestinal presentations including nausea, vomiting, diarrhea, abnormal liver chemistries, and hyperlipasemia as possible coronavirus disease 2019 (COVID-19) manifestations, the risk and type of gastrointestinal bleeding (GIB) in this population is not well characterized. METHODS: This is a matched case-control (1:2) study with 41 cases of GIB (31 upper and 10 lower) in patients with COVID-19 and 82 matched controls of patients with COVID-19 without GIB. The primary objective was to characterize bleeding etiologies, and our secondary aim was to discuss outcomes and therapeutic approaches. RESULTS: There was no difference in the presenting symptoms of the cases and controls, and no difference in severity of COVID-19 manifestations (P > 0.05) was observed. Ten (32%) patients with upper GIB underwent esophagogastroduodenoscopy and 5 (50%) patients with lower GIBs underwent flexible sigmoidoscopy or colonoscopy. The most common upper and lower GIB etiologies were gastric or duodenal ulcers (80%) and rectal ulcers related to rectal tubes (60%), respectively. Four of the esophagogastroduodenoscopies resulted in therapeutic interventions, and the 3 patients with rectal ulcers were referred to colorectal surgery for rectal packing. Successful hemostasis was achieved in all 7 cases that required interventions. Transfusion requirements between patients who underwent endoscopic therapy and those who were conservatively managed were not significantly different. Anticoagulation and rectal tube usage trended toward being a risk factor for GIB, although it did not reach statistical significance. DISCUSSION: In COVID-19 patients with GIB, compared with matched controls of COVID-19 patients without GIB, there seemed to be no difference in initial presenting symptoms. Of those with upper and lower GIB, the most common etiology was peptic ulcer disease and rectal ulcers from rectal tubes, respectively. Conservative management seems to be a reasonable initial approach in managing these complex cases, but larger studies are needed to guide management.


Asunto(s)
Betacoronavirus/patogenicidad , Infecciones por Coronavirus/complicaciones , Hemorragia Gastrointestinal/epidemiología , Úlcera Péptica/epidemiología , Neumonía Viral/complicaciones , Enfermedades del Recto/epidemiología , Anciano , Anciano de 80 o más Años , Anticoagulantes/efectos adversos , Transfusión Sanguínea/estadística & datos numéricos , COVID-19 , Estudios de Casos y Controles , Infecciones por Coronavirus/epidemiología , Infecciones por Coronavirus/terapia , Infecciones por Coronavirus/virología , Endoscopía/estadística & datos numéricos , Enema/efectos adversos , Enema/instrumentación , Femenino , Hemorragia Gastrointestinal/etiología , Hemorragia Gastrointestinal/terapia , Técnicas Hemostáticas/estadística & datos numéricos , Humanos , Masculino , Persona de Mediana Edad , Pandemias , Úlcera Péptica/complicaciones , Neumonía Viral/epidemiología , Neumonía Viral/terapia , Neumonía Viral/virología , Enfermedades del Recto/etiología , Enfermedades del Recto/terapia , Factores de Riesgo , SARS-CoV-2
10.
BMJ Open ; 10(6): e037974, 2020 06 29.
Artículo en Inglés | MEDLINE | ID: mdl-32601117

RESUMEN

OBJECTIVE: Thalassaemia is the most common inherited blood disorder in Malaysia. This study aims to report the current status of thalassaemia in Malaysia and provide a comprehensive understanding of the disease through data obtained from the Malaysian Thalassaemia Registry. DESIGN: Data were extracted from the Malaysian Thalassaemia Registry, a web-based system accessible to enrolled users through www.mytalasemia.net.my. SETTING: The Malaysian Thalassaemia Registry data was recorded from reports obtained from 110 participating government and university hospitals in Malaysia. PARTICIPANTS: The patients were those attending the 110 participating hospitals for thalassaemia treatment. INTERVENTION: Data were collected from the Malaysian Thalassaemia Registry from 2007 until the fourth quarter of 2018. PRIMARY OUTCOME MEASURE: 7984 out of 8681 patients with thalassaemia registered in the Malaysian Thalassaemia Registry were reported alive. RESULTS: Majority of the patients were reported in the state of Sabah (22.72%); the largest age group affected was 5.0-24.9 years old (64.45%); the largest ethnic group involved was Malay (63.95%); and the major diagnosis was haemoglobin E/ß-thalassaemia (34.37%). From the 7984 patients, 56.73% were on regular blood transfusions and 61.72% were on chelation therapy. A small fraction (14.23%) has undergone splenectomy, while the percentage of patients with severe iron overload (serum ferritin ≥5000 µg/L) reduced over time. However, cardiac complications are still the main cause of death in patients with thalassaemia. CONCLUSION: Data gathered into the registry can be used to understand the progression of the disorder, to monitor iron overload management and to improve the outcomes of treatment, to enhance preventive strategies, reduce healthcare burden and improve the quality of life. Sustainability of the Malaysian Thalassaemia Registry is important for surveillance of thalassaemia management in the country and help the national health authorities to develop more effective policies.


Asunto(s)
Talasemia/epidemiología , Adolescente , Adulto , Factores de Edad , Transfusión Sanguínea/estadística & datos numéricos , Terapia por Quelación/estadística & datos numéricos , Niño , Preescolar , Femenino , Ferritinas/sangre , Humanos , Lactante , Malasia/epidemiología , Masculino , Persona de Mediana Edad , Sistema de Registros , Talasemia/mortalidad , Talasemia/terapia , Adulto Joven
12.
Eur J Obstet Gynecol Reprod Biol ; 246: 165-168, 2020 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-32032929

RESUMEN

OBJECTIVE: Reduced fetal movements (RFM) is an obstetric complaint known to be associated with adverse neonatal outcomes and should serve as an alarming sign in obstetric triage. Whether this assumption holds for twin pregnancies, is still an obstetric enigma, and this complaint is sometimes overlooked in twins. We, therefore, aimed to study neonatal outcomes in twin pregnancies complicated by RFM. We hypothesised that in twin pregnancy, maternal ability to perceive RFM will be limited, and therefore, will not be associated with adverse neonatal outcome. STUDY DESIGN: Included were all dichorionic twin pregnancies between 2009-2019 who presented to our obstetric triage at a gestational age >34 weeks with an isolated complaint of RFM and delivered during the subsequent two weeks (RFM group). The control group included patients with twin pregnancies (matched for gestational age and maternal age) who presented for routine assessment and reported regular fetal movements throughout pregnancy (no RFM group). Data regarding pregnancy, delivery, and neonatal outcomes were compared between the groups. The primary outcome was a composite of adverse neonatal outcomes, which included one or more of the following: neonatal hypoglycemia, respiratory morbidity, cerebral morbidity, phototherapy, neonatal sepsis, blood transfusions, necrotizing enterocolitis, or neonatal death. Multivariable regression analysis was used to identify independent associations with adverse neonatal outcomes. RESULTS: Maternal demographics and gestational age at delivery did not differ between the RFM group (n = 83 pregnancies and 166 neonates) and the no RFM group (n = 83 pregnancies and 166 neonates). Neonatal birthweights, as well as the rate of birthweights <10th centile, did not differ between the groups. There were 2 cases of fetal demise diagnosed at triage in the RFM group. The rate of the primary outcome, as well as NICU admissions, were significantly higher in the RFM group compared to the no RFM group (29.5 % vs. 19.2 %, p = 0.01 and 32.5 % vs. 19.2 %, p = 0.001). In multivariable analysis RFM (aOR = 1.18, 95 % CI = 1.06-2.73), and GA at delivery (aOR = 0.88, 95 % CI = 0.67-0.97) were associated with adverse neonatal outcome-independent from background confounders. CONCLUSION: Patients presented to obstetric triage with twin pregnancies and isolated RFM had higher rates of adverse neonatal outcomes and NICU admissions compared to twin pregnancies without RFM.


Asunto(s)
Muerte Fetal , Movimiento Fetal , Enfermedades del Recién Nacido/epidemiología , Muerte Perinatal , Embarazo Gemelar , Adulto , Transfusión Sanguínea/estadística & datos numéricos , Estudios de Casos y Controles , Hemorragia Cerebral Intraventricular/epidemiología , Enterocolitis Necrotizante/epidemiología , Femenino , Humanos , Hipoglucemia/epidemiología , Hipoxia-Isquemia Encefálica/epidemiología , Recién Nacido , Unidades de Cuidado Intensivo Neonatal/estadística & datos numéricos , Sepsis Neonatal/epidemiología , Embarazo , Tercer Trimestre del Embarazo , Respiración Artificial/estadística & datos numéricos , Síndrome de Dificultad Respiratoria del Recién Nacido/epidemiología , Convulsiones/epidemiología
13.
BMC Pregnancy Childbirth ; 20(1): 40, 2020 Jan 16.
Artículo en Inglés | MEDLINE | ID: mdl-31948415

RESUMEN

BACKGROUND: Twin pregnancy has a high risk for developing uterine atony (UA). This study aimed to evaluate efficacy and clinical outcomes of prophylactic compression sutures to treat UA during twin cesarean section (CS). METHODS: All patient records of twin deliveries by CS after gestational age of 24 weeks in a large maternity hospital in South Korea between January 2013 and June 2018 were reviewed. Patients with monochorionic monoamniotic twins were excluded from data analysis. In total, 953 women were eligible for data analysis. RESULTS: Of the 953 patients, compression sutures were applied to 147 cases with postpartum bleeding that were refractory to uterine massage and uterotonics. Out of the 147, two patients (1.4%) proceeded to additional uterine artery ligation to achieve hemostasis, yielding a success rate of 98.6%. The rate of transfusion after the first 24 h of delivery in the suture group was not significantly different from that in the non-suture group, suggesting that both groups achieved hemostasis at an equal rate after the first 24 h of delivery. The difference in the operation time between the two groups was only 8.5 min. The rate of subsequent pregnancy among the patients who received compression sutures was 44.4%. CONCLUSIONS: Overall, our findings suggest that with early and fast implementation of compression sutures, UA can be treated in the setting of twin cesarean delivery without significantly increasing maternal morbidity.


Asunto(s)
Cesárea/métodos , Oxitócicos/uso terapéutico , Hemorragia Posparto/prevención & control , Embarazo Gemelar , Técnicas de Sutura , Inercia Uterina/terapia , Adulto , Transfusión Sanguínea/estadística & datos numéricos , Dinoprostona/análogos & derivados , Dinoprostona/uso terapéutico , Femenino , Hemostasis Quirúrgica , Humanos , Oxitocina/análogos & derivados , Oxitocina/uso terapéutico , Embarazo , Resultado del Tratamiento , Embolización de la Arteria Uterina/estadística & datos numéricos
14.
J Minim Invasive Gynecol ; 27(1): 200-205, 2020 01.
Artículo en Inglés | MEDLINE | ID: mdl-30930213

RESUMEN

STUDY OBJECTIVE: To examine the impact of perioperative allogeneic blood transfusion (ABT) on postoperative infectious wound occurrences, sepsis-related events. and venous thromboembolism. DESIGN: Retrospective cohort study. SETTING: Hospitals participating in the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP). PATIENTS: Patients who underwent a minimally invasive hysterectomy for benign indications between 2012 and 2016 were selected from the ACS-NSQIP. Patients with concurrent open hysterectomy, prolapse, or malignancy were excluded. Those with preoperative, intraoperative or postoperative red blood cell transfusion were considered positive for perioperative ABT. INTERVENTION: Minimally invasive hysterectomy for benign indications. MEASUREMENTS AND MAIN RESULTS: Univariate analyses were performed to determine associations of preoperative and intraoperative patient variables and postoperative outcomes with perioperative ABT. Multivariate analysis was completed to test the independent associations of perioperative ABT with outcomes while adjusting for possible confounders. Of the 90,231 patients who met our inclusion criteria, 1447 had a perioperative transfusion (1.6%). Perioperative ABT was associated with multiple preoperative variables. After multivariate analysis, perioperative ABT remained significantly associated with infectious wound events (adjusted odds ratio [aOR], 1.96; 95% confidence interval [CI], 1.9-2.58; p < .001), thromboembolic events (aOR, 2.75; 95% CI, 1.5-5.05; p = .001), and sepsis events (aOR, 6.49; 95% CI, 4.29-9.79, p < .001). CONCLUSION: ABT is a commonly used to treat perioperative anemia in patients undergoing gynecologic surgery. The results of this study, however, show that perioperative ABT increases a patient's risk of postoperative complications following minimally invasive hysterectomy. Gynecologic surgeons should consider the use of alternative treatments for perioperative anemia, including intravenous iron supplementation, erythropoiesis-stimulating agents, normovolemic hemodilution, and preoperative hormonal suppression, to help reduce the morbidity associated with perioperative ABT.


Asunto(s)
Anemia/terapia , Transfusión Sanguínea/estadística & datos numéricos , Histerectomía/efectos adversos , Procedimientos Quirúrgicos Mínimamente Invasivos/efectos adversos , Atención Perioperativa/estadística & datos numéricos , Complicaciones Posoperatorias/epidemiología , Enfermedades Uterinas/cirugía , Adulto , Anemia/complicaciones , Anemia/epidemiología , Estudios de Cohortes , Femenino , Humanos , Histerectomía/métodos , Histerectomía/estadística & datos numéricos , Persona de Mediana Edad , Procedimientos Quirúrgicos Mínimamente Invasivos/métodos , Procedimientos Quirúrgicos Mínimamente Invasivos/estadística & datos numéricos , Morbilidad , Atención Perioperativa/métodos , Complicaciones Posoperatorias/etiología , Periodo Posoperatorio , Estudios Retrospectivos , Enfermedades Uterinas/complicaciones , Enfermedades Uterinas/epidemiología
15.
Medicine (Baltimore) ; 98(35): e16963, 2019 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-31464938

RESUMEN

We investigated the clinical application of auricular point sticking (APS) combined with tranexamic acid in perioperative hemostasis in elderly patients with intertrochanteric fractures of the femur.This is a prospective cohort study, and we analyzed 86 elderly patients with intertrochanteric fractures of the femur who underwent closed reduction and internal fixation with proximal femoral nail antirotation (PFNA) between January 2016 and December 2016. The patients were divided into auricular point combined with tranexamic acid group (APS group, n = 43) and tranexamic acid alone group (Control group, n = 43). APS was performed for patients using Vaccaria seeds 1 to 2 days before the operation. The 4 acupoints of hemostasis, including spleen, diaphragm, pituitary, and adrenal gland, as well as acupoint of hip joint, were selected. Routine treatment was performed using tranexamic acid alone in the control group. Blood transfusion, intraoperative, postoperative, and total blood loss were compared between the 2 groups.This study enrolled 36 males and 50 females aged 71 to 93 years (average age: 78.5 years). There were no significant differences in gender, age, height, weight, preoperative hematocrit level, fracture classification, operative time, and hospitalization stay (P > .05). Total blood loss was lower in the APS group than the control group (244.26, 197.87-258.50 ml vs 533.94, 424.00-598.09 ml, P < .01). The blood transfusion rate was 14.0% in the APS group and 34.9% in the control group (P = .02).APS can reduce perioperative bleeding and decrease the need for blood transfusion in elderly patients with intertrochanteric fractures of the femur. This noninvasive method can be applied clinically. Randomized trials may be needed to confirm the findings.


Asunto(s)
Terapia por Acupuntura/métodos , Antifibrinolíticos/administración & dosificación , Pérdida de Sangre Quirúrgica/prevención & control , Fracturas de Cadera/cirugía , Ácido Tranexámico/administración & dosificación , Puntos de Acupuntura , Anciano , Anciano de 80 o más Años , Transfusión Sanguínea/estadística & datos numéricos , Femenino , Fijación Intramedular de Fracturas/métodos , Humanos , Masculino , Estudios Prospectivos
16.
Ann Thorac Surg ; 108(6): 1738-1744, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31445910

RESUMEN

BACKGROUND: Blood conservation with antifibrinolytics, topical hemostatics, and strict transfusion triggers are becoming commonplace in cardiac surgery. The aim of this study was to evaluate the effect of a blood conservation protocol centering on standardized intraoperative autologous blood donation (IAD) use in cardiac surgery. METHODS: We reviewed charts of patients who underwent cardiac surgery at our hospital over an 8-year period to analyze transfusion tendencies before and after a new blood conservation policy was implemented. Propensity score matching was used to account for population differences in preoperative and perioperative covariates. RESULTS: Over an 8-year period (January 2009 to December 2017) 1002 patients were studied. Three hundred fifty-two patients before the new blood conservation policy (group 1) were compared with 650 patients after the change (group 2). Fewer group 2 patients required blood transfusions during their hospital stay (78% vs 61%, P < .001), were transfused fewer units (2.8 vs 1.81 units, P < .001), and experienced a shorter length of stay (8.02 vs 7.28 days, P = .012). Propensity score-matched cohorts revealed reductions in any complication (29.5% vs 18.8%, P = .007), fewer postoperative transfusions (70.1% vs 50.9%, P < .001), and a lower transfusion volume (1.82 vs 1.21 units, P = .002) associated with IAD without any associated change in mortality. CONCLUSIONS: IAD use is associated with reduced transfusions in cardiac surgery and may be considered a complementary aspect of blood conservation. Our experience suggests it may be applied with few limitations. A causal relationship between IAD and outcomes should be established with prospective studies.


Asunto(s)
Donantes de Sangre/provisión & distribución , Transfusión de Sangre Autóloga/métodos , Procedimientos Quirúrgicos Cardíacos , Cuidados Intraoperatorios/métodos , Hemorragia Posoperatoria/prevención & control , Anciano , Transfusión Sanguínea/estadística & datos numéricos , Procedimientos Médicos y Quirúrgicos sin Sangre/estadística & datos numéricos , Femenino , Estudios de Seguimiento , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Hemorragia Posoperatoria/epidemiología , Estudios Retrospectivos , Factores de Tiempo , Estados Unidos/epidemiología
17.
J Obstet Gynaecol Res ; 45(9): 1843-1850, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31237751

RESUMEN

AIM: The high rate of stored preoperative autologous blood wastage is concerning. This study analyzed patients who provided preoperative autologous blood donations (PABDs) for massive bleeding during surgery for placenta previas and low-lying placentas, and investigated the optimal PABD storage volume required to avoid allogeneic transfusion. METHODS: Of 386 patients who provided PABDs at our hospital from 2008 to 2013, 269 patients with placenta previas or low-lying placentas were retrospectively analyzed. The PABD storage volumes were stratified into four groups based on the amounts stored, and the allogeneic transfusion usage frequencies were compared. RESULTS: A total of 124 patients (46.1%) received PABDs and 12 patients (4.5%) received allogeneic transfusions. The average PABD volume wasted was 23 940 mL/year. The allogeneic transfusion utilization rate was significantly higher in the 1- to 300-mL group (17.2%) than in the 301- to 600-mL (1.69%), 601- to 900-mL (3.82%), and 901- to 1200-mL (0%) groups (P < 0.05). The PABD cut-off volume for avoiding allogeneic blood transfusion was 300 mL, and the odds ratio for ≤300-mL PABD in a multivariate analysis was 14.3 (95% confidence interval 1.3-149.3; P = 0.03). The maximum surgical blood order schedule was 2.16 units (432 mL), and the surgical blood order equation was 2.15 units (430 mL). CONCLUSION: The allogeneic transfusion utilization rate did not differ between the 600-mL group and the groups with higher PABD storage volumes; hence, storing 600 mL of PABD was appropriate for surgery for placenta previas and low-lying placentas.


Asunto(s)
Donantes de Sangre/provisión & distribución , Conservación de la Sangre/estadística & datos numéricos , Transfusión Sanguínea/estadística & datos numéricos , Enfermedades Placentarias/cirugía , Placenta Previa/cirugía , Adulto , Pérdida de Sangre Quirúrgica/estadística & datos numéricos , Transfusión Sanguínea/métodos , Transfusión de Sangre Autóloga/estadística & datos numéricos , Femenino , Humanos , Embarazo , Cuidados Preoperatorios/métodos , Cuidados Preoperatorios/estadística & datos numéricos , Periodo Preoperatorio , Estudios Retrospectivos
18.
PLoS One ; 14(5): e0215427, 2019.
Artículo en Inglés | MEDLINE | ID: mdl-31059515

RESUMEN

Perioperative anemia frequently occurs in patients undergoing orthopedic surgery. We aimed to evaluate the efficacy of perioperative intravenous iron therapy (IVIT) on transfusion and recovery profiles during orthopedic surgery. We searched PubMed, Embase, Cochrane, and Google Scholar for eligible clinical trials (randomized controlled trials, RCTs; case-control studies, CCSs) in comparing IVIT and no iron therapy, up to September 2018. Primary outcomes were the effects of IVIT on the proportion of patients transfused and units of red blood cells (RBCs) transfused perioperatively. Secondary outcomes were the effects of IVIT on recovery profiles, such as length of hospital stay (LOS), post-operative infection, and mortality. Subgroup analysis was performed based on iron dose (low: ≤ 300 mg, high: > 400 mg), IVIT period (pre-operative, post-operative, perioperative), and study design. We identified 12 clinical trials (4 RCTs with 616 patients and 8 CCSs with 1,253 patients). IVIT significantly reduced the proportion of patients transfused by 31% (RR, 0.69; P = 0.0002), and units of RBCs transfused by 0.34 units/person (MD, -0.34; P = 0.0007). For subgroup analysis by iron dose, low- or high-dose IVIT significantly reduced the proportion of patients transfused (RR, 0.73, P = 0.005; RR, 0.68, P = 0.008), and RBC units transfused (MD, -0.47, P < 0.0001; MD, -0.28, P = 0.04). For subgroup analysis by period, IVIT administered post-operatively significantly reduced the proportion of patients transfused (post-operative: RR, 0.60, P = 0.002; pre-operative: RR, 0.74, P = 0.06) and RBC units transfused (post-operative: MD, -0.44, P <0.00001; pre-operative: MD, -0.29, P = 0.06). For subgroup analysis by study design, IVIT decreased the proportion of patients transfused and RBC units transfused in the group of CCSs, but IVIT in the group of RCTs did not. IVIT significantly shortened LOS by 1.6 days (P = 0.0006) and reduced post-operative infections by 33% (P = 0.01). IVIT did not change mortality. Perioperative IVIT during orthopedic surgery, especially post-operatively, appears to reduce the proportion of patients transfused and units of RBCs transfused, with shorter LOS and decreased infection rate, but no change in mortality rate. These were only found in CCSs and not in RCTs due to the relatively small number of RCTs with low to high risk of bias.


Asunto(s)
Transfusión Sanguínea/estadística & datos numéricos , Hierro/administración & dosificación , Procedimientos Ortopédicos/métodos , Humanos , Infusiones Intravenosas , Tiempo de Internación , Atención Perioperativa/métodos , Ensayos Clínicos Controlados Aleatorios como Asunto
19.
BMJ Open ; 9(5): e027187, 2019 05 22.
Artículo en Inglés | MEDLINE | ID: mdl-31122987

RESUMEN

OBJECTIVES: Pakistan is one out of five countries where together half of the global neonatal deaths occur. As the provision of services and facilities is one of the key elements vital to reducing this rate as well as the maternal mortality rate, this study investigates the status of the delivery of essential obstetric care provided by the public health sector in two districts in Khyber Pakhtunkhwa in 2015 aiming to highlight areas where critical improvements are needed. SETTING: We analysed data from a survey of 22 primary and secondary healthcare facilities as well as 85 community midwives (CMWs) in Haripur and Nowshera districts. PARTICIPANTS: Using a structured questionnaire we evaluated the performance of emergency obstetric care (EmOC) signal functions and patient statistics in public health facilities. Also, 102 CMWs were interviewed about working hours, basic and specialised delivery service provision, referral system and patient statistics. PRIMARY OUTCOME MEASURES: We investigate the public provision of emergency obstetric care using seven key medical services identified by the United Nations (UN). RESULTS: Deliveries by public health cadres account for about 30% of the total number of births in these districts. According to the UN benchmark, only a small fraction of basic EmOC (2/18) and half of the comprehensive EmOC (2/4) facilities of the recommended minimum number were available to the population in both districts. Only a minority of health facilities and CMWs carry out several signal functions. Only 8% of the total births in one of the study districts are performed in public EmOC health facilities. CONCLUSIONS: Both districts show a significant shortage of available public EmOC service provisions. Development priorities need to be realigned to improve the availability, accessibility and quality of EmOC service provisions by the public health sector alongside with existing activities to increase institutional births.


Asunto(s)
Entorno del Parto , Accesibilidad a los Servicios de Salud , Servicios de Salud Materna/normas , Partería , Obstetricia , Calidad de la Atención de Salud , Aborto Incompleto/terapia , Antibacterianos/administración & dosificación , Anticonvulsivantes/administración & dosificación , Transfusión Sanguínea/estadística & datos numéricos , Cesárea/estadística & datos numéricos , Estudios Transversales , Extracción Obstétrica/estadística & datos numéricos , Femenino , Humanos , Lactante , Mortalidad Infantil , Recién Nacido , Mortalidad Materna , Oxitócicos , Pakistán , Retención de la Placenta/terapia , Embarazo , Sector Público , Resucitación , Población Rural
20.
Am J Cardiol ; 124(3): 367-372, 2019 08 01.
Artículo en Inglés | MEDLINE | ID: mdl-31126539

RESUMEN

Direct acting oral anticoagulants (DOACs) are increasingly used as off-label alternatives to vitamin K antagonists for the treatment of left ventricular (LV) thrombus. However, efficacy data is limited to small case series and one meta-analysis of case reports. We aimed to determine the efficacy and safety of DOACs in treatment of LV thrombus utilizing transthoracic echocardiography (TTE) and clinical outcomes. We identified 52 patients (mean age = 64 years, 71% men) treated with a DOAC for LV thrombus (n = 26 apixaban, n = 24 rivaroxaban, and n = 2 dabigatran). Thirty-five of the 52 patients had a follow-up TTE after DOAC initiation. The primary end point was defined as resolution of LV thrombus (in patients with a subsequent TTE), or death, major bleeding requiring transfusion, intracranial hemorrhage, ischemic stroke, or peripheral embolization. An experienced echocardiographer (M.L.M.) reviewed all TTEs for presence or absence of LV thrombus without knowledge of time point or clinical data. Twenty-nine of the 35 (83%) patients who underwent follow-up TTE had resolution of LV thrombus, with a mean duration of 264 days. Of the total study population, there was 1 cardioembolic event (transient ischemic attack) 52 days after initiating DOAC, 3 gastrointestinal bleeds requiring transfusion, and 1 patient with epistaxis requiring transfusion. All patients with a hemorrhagic complication were receiving concomitant antiplatelet therapy. DOAC therapy appears promising for the treatment of LV thrombus. A larger, prospective study is warranted to confirm these results.


Asunto(s)
Inhibidores del Factor Xa/uso terapéutico , Trombosis/tratamiento farmacológico , Disfunción Ventricular Izquierda/tratamiento farmacológico , Adulto , Anciano , Transfusión Sanguínea/estadística & datos numéricos , Dabigatrán/uso terapéutico , Ecocardiografía , Epistaxis/etiología , Femenino , Estudios de Seguimiento , Hemorragia Gastrointestinal/etiología , Ventrículos Cardíacos/diagnóstico por imagen , Humanos , Ataque Isquémico Transitorio/etiología , Masculino , Persona de Mediana Edad , Inhibidores de Agregación Plaquetaria/uso terapéutico , Pirazoles/uso terapéutico , Piridonas/uso terapéutico , Estudios Retrospectivos , Rivaroxabán/uso terapéutico , Trombosis/diagnóstico por imagen , Disfunción Ventricular Izquierda/diagnóstico por imagen
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