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causes of prematurity

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https://www.readbyqxmd.com/read/29145270/study-on-the-adverse-effects-following-chemotherapy-for-breast-cancer-diagnosis-during-pregnancy-the-first-case-report-in-china
#1
Xin Ye, Qi He, Xiaoyun Zhou
RATIONALE: Treatment of breast cancer during pregnancy (BCP) remains a challenge to physicians. Surgery and chemotherapy during pregnancy are widely used for the treatment of BCP. Herein, we reported 3 Chinese patients with BCP who underwent chemotherapy during pregnancy and were followed up for adverse effects. PATIENT CONCERNS: Three female patients (case 1, case 2, and case 3) of 37-, 32-, and 28-year-old with breast masses were enrolled. Case 1 had been pregnant for over 4 months, case 2 over 7 months, and case 3 for 7 months...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144824/17%C3%AE-hydroxylase-deficiency-is-an-underdiagnosed-disease-high-frequency-of-misdiagnoses-in-a-large-cohort-of-brazilian-patients
#2
Rafaela Fontenele, Marivânia Costa-Santos, Claudio E Kater
OBJECTIVE: 17α-Hydroxylase deficiency (P450c17D) is characterized by hypogonadism and mineralocorticoid hypertension. We aimed to estimate the relative incidence and spectrum of preliminary misdiagnoses in Brazilian P450c17D patients. DESIGN: Cross-sectional study. METHODS: We reviewed, updated, and analyzed data of 40 P450c17D patients (21 XY, 19 XX). RESULTS: Complete data were unavailable for two patients. Seven patients were relatives of an index case...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29143796/angelica-sinensis-polysaccharides-ameliorate-stress-induced-premature-senescence-of-hematopoietic-cell-via-protecting-bone-marrow-stromal-cells-from-oxidative-injuries-caused-by-5-fluorouracil
#3
Hanxianzhi Xiao, Lirong Xiong, Xiaoying Song, Pengwei Jin, Linbo Chen, Xiongbin Chen, Hui Yao, Yaping Wang, Lu Wang
Myelosuppression is the most common complication of chemotherapy. Decline of self-renewal capacity and stress-induced premature senescence (SIPS) of hematopoietic stem cells (HSCs) induced by chemotherapeutic agents may be the cause of long-term myelosuppression after chemotherapy. Whether the mechanism of SIPS of hematopoietic cells relates to chemotherapeutic injury occurred in hematopoietic microenvironment (HM) is still not well elucidated. This study explored the protective effect of Angelica sinensis polysaccharide (ASP), an acetone extract polysaccharide found as the major effective ingredients of a traditional Chinese medicinal herb named Chinese Angelica (Dong Quai), on oxidative damage of homo sapiens bone marrow/stroma cell line (HS-5) caused by 5-fluorouracil (5-FU), and the effect of ASP relieving oxidative stress in HM on SIPS of hematopoietic cells...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29143627/conceptualizing-pathways-linking-women-s-empowerment-and-prematurity-in-developing-countries
#4
Patience A Afulani, Molly Altman, Joseph Musana, May Sudhinaraset
BACKGROUND: Globally, prematurity is the leading cause of death in children under the age of 5. Many efforts have focused on clinical approaches to improve the survival of premature babies. There is a need, however, to explore psychosocial, sociocultural, economic, and other factors as potential mechanisms to reduce the burden of prematurity. Women's empowerment may be a catalyst for moving the needle in this direction. The goal of this paper is to examine links between women's empowerment and prematurity in developing settings...
November 8, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29142868/protrusive-maxillomandibular-fixation-for-intracapsular-condylar-fracture-a-report-of-two-cases
#5
Yeong Kon Jeong, Won-Jong Park, Il Kyung Park, Gi Tae Kim, Eun Joo Choi
Clinical limitations following closed reduction of an intracapsular condylar fracture include a decrease in maximum mouth opening, reduced range of mandibular movements such as protrusion/lateral excursion, and reduced occlusal stability. Anteromedial and inferior displacement of the medial condyle fragment by traction of the lateral pterygoid muscle can induce bone overgrowth due to distraction osteogenesis between the medial and lateral condylar fragments, causing structural changes in the condyle. In addition, when conventional maxillomandibular fixation (MMF) is performed, persistent interdental contact sustains masticatory muscle hyperactivity, leading to a decreased vertical dimension and premature contact of the posterior teeth...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29142847/predictive-features-associated-with-thyrotoxic-storm-and-management
#6
REVIEW
Alessandro Bacuzzi, Gianlorenzo Dionigi, Luca Guzzetti, Alessandro Ivan De Martino, Paolo Severgnini, Salvatore Cuffari
Thyroid storm (TS) is an endocrine emergency characterized by rapid deterioration, associated with high mortality rate therefore rapid diagnosis and emergent treatment is mandatory. In the past, thyroid surgery was the most common cause of TS, but recent preoperative medication creates a euthyroid state before performing surgery. An active approach during perioperative period could determine an effective clinical treatment of this life-threating diseases. Recently, the Japan Thyroid Association and Japan Endocrine Society developed diagnostic criteria for TS focusing on premature and prompt diagnosis avoiding inopportune e useless drugs...
October 2017: Gland Surgery
https://www.readbyqxmd.com/read/29141924/antenatal-bartter-syndrome-presenting-with-vomiting-and-constipation-mimicking-subacute-intestinal-obstruction-in-a-20-day-old-neonate
#7
Ibtihal Siddiq Abdelgadir, Fawzia Elgharbawy, Khalil Mohamad Salameh, Baha Eldin Juma
Antenatal Bartter syndrome is a rare condition that can present with different clinical features. These features include early onset maternal polyhydramnios, failure to thrive, prematurity and nephrocalcinosis.We are presenting this 20-day-old girl who had an antenatal history of polyhydramnios. She developed persistent non-bilious vomiting that was associated with constipation soon after birth. She presented with failure to thrive and features suggestive of intestinal obstruction. On the initial evaluation, she was noted to have hypokalaemic, hyponatraemic metabolic alkalosis...
November 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29141581/sanger-sequencing-in-exonic-regions-of-stk11-gene-uncovers-a-novel-de-novo-germline-mutation-c-962_963delcc-associated-with-peutz-jeghers-syndrome-and-elevated-cancer-risk-case-report-of-a-chinese-patient
#8
Zi-Ye Zhao, Yu-Liang Jiang, Bai-Rong Li, Fu Yang, Jing Li, Xiao-Wei Jin, Shou-Bin Ning, Shu-Han Sun
BACKGROUND: Peutz-Jeghers syndrome (PJS) is caused by mutations in the tumor suppressor gene, STK11, and is characterized by gastrointestinal hamartomas, melanin spots on the lips and the extremities, and an increased risk of developing cancer. CASE PRESENTATION: We reported an isolated PJS patient who died of colon cancer, whose blood sample was collected together with all the available family members'. The entire coding region of the STK11 gene was amplified by PCR and analyzed by Sanger sequencing, through which, a novel mutation, c...
November 15, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29140751/further-delineation-of-the-oculoauricular-syndrome-phenotype-a-new-family-with-a-novel-truncating-hmx1-mutation
#9
Ghada M H Abdel-Salam, Mohamed S Abdel-Hamid, Mennat I Mehrez, Ahmad M Kamal, Mohamed B Taher, Hanan H Afifi
Biallelic HMX1 mutations cause a very rare autosomal recessive genetic disorder termed as oculoauricular syndrome (OAS) because it is characterized only by the combination of eye and ear anomalies. We identified a new family bringing to three the total families reported with this disorder. Our proband presented with anteriorly protruded ears and malformed ear pinnae in association with microphthalmia, congenital cataract, microcornea, and iris and optic disc colobomata. Additionally, he had high and broad forehead with asymmetry giving a recognizable facial gestalt...
November 15, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29139116/correcting-the-count-improving-vital-statistics-data-regarding-deaths-related-to-obesity
#10
Brandi C McCleskey, Gregory G Davis, Daniel W Dye
Obesity can involve any organ system and compromise the overall health of an individual, including premature death. Despite the increased risk of death associated with being obese, obesity itself is infrequently indicated on the death certificate. We performed an audit of our records to identify how often "obesity" was listed on the death certificate to determine how our practices affected national mortality data collection regarding obesity-related mortality. During the span of nearly 25 years, 0.2% of deaths were attributed to or contributed by obesity...
November 15, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29138133/effects-of-weight-loss-interventions-for-adults-who-are-obese-on-mortality-cardiovascular-disease-and-cancer-systematic-review-and-meta-analysis
#11
Chenhan Ma, Alison Avenell, Mark Bolland, Jemma Hudson, Fiona Stewart, Clare Robertson, Pawana Sharma, Cynthia Fraser, Graeme MacLennan
Objective To assess whether weight loss interventions for adults with obesity affect all cause, cardiovascular, and cancer mortality, cardiovascular disease, cancer, and body weight.Design Systematic review and meta-analysis of randomised controlled trials (RCTs) using random effects, estimating risk ratios, and mean differences. Heterogeneity investigated using Cochran's Q and I(2) statistics. Quality of evidence assessed by GRADE criteria.Data sources Medline, Embase, the Cochrane Central Register of Controlled Trials, and full texts in our trials' registry for data not evident in databases...
November 14, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29137507/nationwide-mortality-studies-to-quantify-causes-of-death-relevant-lessons-from-india-s-million-death-study
#12
Mireille Gomes, Rehana Begum, Prabha Sati, Rajesh Dikshit, Prakash C Gupta, Rajesh Kumar, Jay Sheth, Asad Habib, Prabhat Jha
Progress toward the United Nations 2030 Sustainable Development Goals requires improved information on mortality and causes of death. However, causes of many of the fifty million annual deaths in low- and middle-income countries remain unknown, as most of the deaths occur at home without medical attention. In 2001 India began the Million Death Study in 1.3 million nationally representative households. Nonmedical staff conduct verbal autopsies, which are structured interviews including a half-page narrative in local language of the family's story of the symptoms and events leading to death...
November 2017: Health Affairs
https://www.readbyqxmd.com/read/29136751/-analysis-on-probability-of-premature-death-and-cause-eliminated-life-expectancy-of-major-non-communicable-diseases-in-chongqing-municipality-2016
#13
X B Ding, W W Tang, D Q Mao, Y Jiao, Z Z Shen
Objective: To analyze the premature death probability and cause-eliminated life expectancy of cardiovascular disease, cancer, chronic respiratory disease and diabetes in Chongqing residents in 2016 so as to provide recommendation for non-communicable diseases (NCDs) prevention and control in Chongqing. Methods: Death cases of Chongqing Municipality between January 1(st) and December 31(st), 2016 were reported through death case registry system of national center for disease prevention and control. Death cases were sorted by international classification of disease (ICD-10)...
November 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29135436/defective-synaptic-transmission-causes-disease-signs-in-a-mouse-model-of-juvenile-neuronal-ceroid-lipofuscinosis
#14
Benedikt Grünewald, Maren D Lange, Christian Werner, Aet O'Leary, Andreas Weishaupt, Sandy Popp, David A Pearce, Heinz Wiendl, Andreas Reif, Hans C Pape, Klaus V Toyka, Claudia Sommer, Christian Geis
Juvenile neuronal ceroid lipofuscinosis (JNCL or Batten disease) caused by mutations in the CLN3 gene is the most prevalent inherited neurodegenerative disease in childhood resulting in widespread central nervous system dysfunction and premature death. The consequences of CLN3 mutation on the progression of the disease, on neuronal transmission, and on central nervous network dysfunction are poorly understood. We used Cln3 knockout (Cln3(Δex7/8)) mice and found increased anxiety-related behavior and impaired aversive learning as well as markedly affected motor function including disordered coordination...
November 14, 2017: ELife
https://www.readbyqxmd.com/read/29134703/origin-and-dynamics-of-oligodendrocytes-in-the-developing-brain-implications-for-perinatal-white-matter-injury
#15
REVIEW
Erik van Tilborg, Caroline G M de Theije, Maurik van Hal, Nienke Wagenaar, Linda S de Vries, Manon J Benders, David H Rowitch, Cora H Nijboer
Infants born prematurely are at high risk to develop white matter injury (WMI), due to exposure to hypoxic and/or inflammatory insults. Such perinatal insults negatively impact the maturation of oligodendrocytes (OLs), thereby causing deficits in myelination. To elucidate the precise pathophysiology underlying perinatal WMI, it is essential to fully understand the cellular mechanisms contributing to healthy/normal white matter development. OLs are responsible for myelination of axons. During brain development, OLs are generally derived from neuroepithelial zones, where neural stem cells committed to the OL lineage differentiate into OL precursor cells (OPCs)...
November 14, 2017: Glia
https://www.readbyqxmd.com/read/29134361/sonic-hedgehog-agonist-protects-against-complex-neonatal-cerebellar-injury
#16
Vien Nguyen, Khalida Sabeur, Emin Maltepe, Kurosh Ameri, Omer Bayraktar, David H Rowitch
The cerebellum undergoes rapid growth during the third trimester and is vulnerable to injury and deficient growth in infants born prematurely. Factors associated with preterm cerebellar hypoplasia include chronic lung disease and postnatal glucocorticoid administration. We modeled chronic hypoxemia and glucocorticoid administration in neonatal mice to study whole cerebellar and cell type-specific effects of dual exposure. Chronic neonatal hypoxia resulted in permanent cerebellar hypoplasia. This was compounded by administration of prednisolone as shown by greater volume loss and Purkinje cell death...
November 13, 2017: Cerebellum
https://www.readbyqxmd.com/read/29134282/aba-and-iaa-control-microsporogenesis-in-petunia-hybrida-l
#17
L V Kovaleva, A S Voronkov, E V Zakharova, I M Andreev
The formation of fertile male gametophyte is known to require timely degeneration of polyfunctional tapetum tissue. The last process caused by the programmed cell death (PCD) is a part of the anther program maturation which leads to sequential anther tissue destruction coordinated with pollen differentiation. In the present work, distribution of abscisic acid (ABA) and indole-3-acetic acid (IAA) in developing anthers of male-fertile and male-sterile lines of petunia (Petunia hybrida L.) was analyzed by using the immunohistochemical method...
November 13, 2017: Protoplasma
https://www.readbyqxmd.com/read/29133667/methoxsalen-induced-macular-toxicity
#18
Aditya Maitray, Pukhraj Rishi
Psoralen compounds such as methoxsalen are photosensitizer agents used in conjunction with ultraviolet A (UVA) radiation exposure as photochemotherapy (Psoralens and ultraviolet-A therapy [PUVA therapy]) for certain epidermal skin disorders such as psoriasis and vitiligo. Methoxsalen has been shown to be associated with premature cataract formation by forming adducts with lens proteins following oral administration and subsequent UVA exposure. Hence, the use of UV-filtering glasses is recommended during PUVA therapy sessions...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29133472/rheumatic-heart-disease-treatment-cascade-in-uganda
#19
Chris T Longenecker, Stephen R Morris, Twalib O Aliku, Andrea Beaton, Marco A Costa, Moses R Kamya, Cissy Kityo, Peter Lwabi, Grace Mirembe, Dorah Nampijja, Joselyn Rwebembera, Craig Sable, Robert A Salata, Amy Scheel, Daniel I Simon, Isaac Ssinabulya, Emmy Okello
BACKGROUND: Rheumatic heart disease (RHD) is a leading cause of premature death and disability in low-income countries; however, few receive optimal benzathine penicillin G (BPG) therapy to prevent disease progression. We aimed to comprehensively describe the treatment cascade for RHD in Uganda to identify appropriate targets for intervention. METHODS AND RESULTS: Using data from the Uganda RHD Registry (n=1504), we identified the proportion of patients in the following care categories: (1) diagnosed and alive as of June 1, 2016; (2) retained in care; (3) appropriately prescribed BPG; and (4) optimally adherent to BPG (>80% of prescribed doses)...
November 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29132648/leisure-time-domestic-and-work-related-physical-activity-and-their-prospective-associations-with-all-cause-mortality-in-patients-with-cardiovascular-disease
#20
Po-Wen Ku, Li-Jung Chen, Kenneth R Fox, Yi-Huei Chen, Yung Liao, Ching-Heng Lin
This study aimed to examine the prospective associations between total physical activity, leisure-time physical activity (LTPA), and domestic and work-related physical activity (DWPA) involving heavy physical labor, with all-cause mortality in patients with cardiovascular disease (CVD). A 7-year follow-up cohort design was used based on the data from the Taiwan 2005 National Health Interview Survey, which was linked to the 2005 to 2012 Taiwan National Health Insurance claims data. Multivariable Cox proportional hazard models were utilized to assess the associations between physical activity and all-cause mortality in 2,370 patients with CVD...
October 19, 2017: American Journal of Cardiology
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