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Frontal Bone Infarctions Masquerading as Bilateral Orbital Cellulitis in a Patient with Sickle Cell Disease.

1例镰状细胞病患者额骨梗死伪装成双侧眶蜂窝织炎。

  • 影响因子:1.18
  • DOI:10.4103/meajo.MEAJO_264_18
  • 作者列表:"Al Somali AI","Bin Helayel HS","Jubran SA","Hariri JT","Nassim Ali HM
  • 发表时间:2020-04-29
Abstract

:Repeated vaso-occlusive crises (VOCs) are the hallmark of sickle cell disease (SCD). These repeated crises can lead to bone infarcts, necrosis, and, over time, degenerative changes in the bone marrow. Orbital complications in SCD patients are infrequent and usually present as orbital cellulitis. We report the appearance of orbital bone infarction intraoperatively in the case of an 18-year-old Saudi male patient who has been diagnosed with SCD and presented with severe headaches and generalized body aches. He was admitted with a case of SCD with acute VOC and started on the hospital sickle cell protocol. During the admission, the patient developed bilateral periorbital swelling and left inferior dystopia secondary to bilateral frontoparietal bone infarction, which was evident on the magnetic resonance imaging.

摘要

: 反复血管闭塞危象 (VOCs) 是镰状细胞病 (SCD) 的标志。这些反复的危象可导致骨梗塞、坏死,以及随着时间的推移,骨髓中的退行性变化。SCD患者的眼眶并发症不常见,通常表现为眶蜂窝织炎。我们报告了一例18岁的沙特男性患者术中出现眶骨梗死,该患者被诊断为SCD,并出现严重头痛和全身酸痛。他因SCD伴急性VOC的病例入院,并开始使用医院镰状细胞方案。入院期间,患者出现双侧眶周肿胀,双侧额顶骨梗死继发左侧下反张,磁共振显示明显。

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发表时间:2020-02-01
DOI:10.1016/j.ajog.2019.07.044
作者列表:["Yang J","Peng CF","Qi Y","Rao XQ","Guo F","Hou Y","He W","Wu J","Chen YY","Zhao X","Wang YN","Peng H","Wang D","Du L","Luo MY","Huang QF","Liu HL","Yin A"]

METHODS:BACKGROUND:Thalassemia is one of the most common monogenetic diseases in the south of China and Southeast Asia. Hemoglobin Bart's hydrops fetalis syndrome was caused by a homozygous Southeast Asian deletion (-/-) in the HBA gene. Few studies have proved the potential of screen for Bart's hydrops fetalis using fetal cell-free DNA. However, the number of cases is still relatively small. Clinical trials of large samples would be needed. OBJECTIVE:In this study, we aimed to develop a noninvasive method of target-captured sequencing and genotyping by the Bayesian method using cell-free fetal DNA to identify the fetal genotype in pregnant women who are at risk of having hemoglobin Bart hydrops fetalis in a large-scale study. STUDY DESIGN:In total, 192,173 couples from 30 hospitals were enrolled in our study and 878 couples were recruited, among whom both the pregnant women and their husbands were detected to be carriers of Southeast Asian type (-/αα) of α-thalassemia. Prenatal diagnosis was performed by chorionic villus sampling, amniocentesis, or cordocentesis using gap-polymerase chain reaction considered as the golden standard. RESULTS:As a result, we found that the sensitivity and specificity of our noninvasive method were 98.81% and 94.72%, respectively, in the training set as well as 100% and 99.31%, respectively, in the testing set. Moreover, our method could identify all of 885 maternal samples with the Southeast Asian carrier and 36 trisomy samples with 100% of sensitivity in T13, T18, and T21 and 99.89% (1 of 917) and 99.88% (1 of 888) of specificity in T18 and T21, respectively. CONCLUSION:Our method opens the possibility of early screening for maternal genotyping of α-thalassemia, fetal aneuploidies in chromosomes 13/18/21, and hemoglobin Bart hydrops fetalis detection in 1 tube of maternal plasma.

影响因子:1.74
发表时间:2020-02-01
DOI:10.1177/1049909119868657
作者列表:["Suarez ML","Schlaeger JM","Angulo V","Shuey DA","Carrasco J","Roach KL","Ezenwa MO","Yao Y","Wang ZJ","Molokie RE","Wilkie DJ"]

METHODS:OBJECTIVES:Sickle cell disease (SCD) is a serious illness with disabling acute and chronic pain that needs better therapies, but insufficient patient participation in research is a major impediment to advancing SCD pain management. The purpose of this article is to discuss the challenges of conducting an SCD study and approaches to successfully overcoming those challenges. DESIGN:In a repeated-measures, longitudinal study designed to characterize SCD pain phenotypes, we recruited 311 adults of African ancestry. Adults with SCD completed 4 study visits 6 months apart, and age- and gender-matched healthy controls completed 1 visit. RESULTS:We recruited and completed measures on 186 patients with SCD and 125 healthy controls. We retained 151 patients with SCD with data at 4 time points over 18 months and 125 healthy controls (1 time point) but encountered many challenges in recruitment and study visit completion. Enrollment delays often arose from patients' difficulty in taking time from their complicated lives and frequent pain episodes. Once scheduled, participants with SCD cancelled 49% of visits often because of pain; controls canceled 30% of their scheduled visits. To facilitate recruitment and retention, we implemented a number of strategies that were invaluable in our success. CONCLUSION:Patients' struggles with illness, chronic pain, and their life situations resulted in many challenges to recruitment and completion of study visits. Important to overcoming challenges was gaining the trust of patients with SCD and a participant-centered approach. Early identification of potential problems allowed strategies to be instituted proactively, leading to success.

影响因子:2.13
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DOI:10.1093/ajcp/aqz108
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