母親の熱曝露と神経管の欠陥
A Milunsky1, M Ulcickas, K J Rothman
1Center for Human Genetics, Boston University School of Medicine, MA 02118.
JAMA
|August 19, 1992
まとめ
妊娠初期,特にホットバブ,サウナ,または発熱による熱への曝露は,神経管欠陥 (NTD) のより高いリスクと関連しています. 電気毛布の使用は,NTDとの有意な関連性を示さなかった.
科学分野:
- 生殖器保健は,生殖器の健康についてです.
- テラトロジー・テラトロジーとは
- 産科は産婦人科です.
背景:
- 神経管欠陥 (NTD) は,深刻な先天性異常である.
- 妊娠初期における環境要因に対する母親の暴露は,胎児の発達に対する懸念である.
研究 の 目的:
- 妊婦が妊娠初期に熱源 (ホットバット,サウナ,発熱,電気毛布) に晒されていることと,NTDのリスクとの関連性を調べる.
主な方法:
- 23491人の妊婦を対象とした見通しによる追跡調査.
- 相対リスク (RRs) とロジスティック回帰は,熱曝露とNTD発生率を評価するために使用されました.
- 母親の年齢,葉酸,および家族歴をコントロールした調整された分析.
主要な成果:
- 熱への曝露 (ホットバット,サウナ,発熱,電気毛布) により,NTDの粗製RRは1.6であった.
- ホットバン,サウナ,または発熱への曝露は,NTDの粗製RRが2.2であった.
- ホットバンの使用に対する調整されたRRは2.8で,2つの熱源への併用暴露はNTDのリスクを大幅に増加させた (RR 6.2).
結論:
- 妊婦のホットバット,サウナ,または最初の3ヶ月間の発熱は,NTDのリスクの増加と関連しています.
- ホットバンの使用は,単発的な熱曝露の中で最も強い関連性を示しました.
- 電気ブランケットへの曝露は,NTDのリスクの増加と有意に結びついていませんでした.
関連する概念動画
Teratogenicity
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Pathophysiology of Diabetes
Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Mitral Valve Prolapse III: Nursing Management
The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
Development of the Oral Microbiota
The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
Herniated Intervertebral Disc l: Introduction
Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...
Intestinal Obstruction II: Pathophysiology
Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...


