Mortality and Maldevelopment - Part II: The Saga of Neural Tube Defects

von: Harold Kalter

Springer-Verlag, 2009

ISBN: 9781402096068 , 265 Seiten

Format: PDF, OL

Kopierschutz: Wasserzeichen

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Mortality and Maldevelopment - Part II: The Saga of Neural Tube Defects


 

Mortality and Maldevelopment

2

Harold Kalter

3

Contents

6

Introduction: Basic Stuff

11

Neural Tube Defects

14

Neural Tube Defects in History

14

Normal Neural Tube Development

16

Failure of Closure

16

Defining Neural Tube Defects

17

Definition Differences

19

A Word about Etiology, etc.

20

The Frequency of Neural Tube Defects

22

Death and Malformation

24

Setting the Stage

25

Malformations in Early 20th Century USA

25

Studies in the Old World

27

United Kingdom and Ireland

27

Scotland

37

England

41

British/Irish Ancestry

56

The Continent of Europe

58

The North

58

The West

69

The Center

77

The South

82

Others

83

The United States

85

A Transcontinental View

85

The Northeast

86

The South

100

Midwest

107

Mid-South

111

Texas

111

The West

116

Pacific West

118

Furthest West

123

Geography and Chronology

124

Nationwide Survey

125

Continental Overlook

127

The Larger Northeast

128

The South

130

The Center

131

The Mid-South

132

The West

132

Canada

134

Newfoundland

134

Nova Scotia

136

New Brunswick

138

Quebec

138

Ontario

140

Manitoba

142

Alberta

142

British Columbia

143

Canada from East to West

147

Other Lands

149

Australia and New Zealand

150

Victoria

150

New South Wales

152

South Australia

153

Western Australia

153

Other States and Territories

155

New Zealand

156

Blacks and Jews

159

Blacks

159

A Puzzle

165

Jews

165

The Mideast

170

Arabs

170

Iran

171

Turkey

171

Asia

173

India

173

China

173

The Sex Ratio Phenomenon

175

Sex Ratio in all Births

175

Sex Ratio in Neural Tube Defects

176

Sex Ratio in Pregnancy

178

Sex Ratio of Neural Tube Defect Abortions

179

Abortion

181

Abortion and Congenital Malformation

181

Abortion and Chromosome Abnormality

181

Abortion and Neural Tube Defect

182

Induced Abortion and Chromosome Abnormality

184

Questions

185

Fetal Diagnosis of Neural Tube Defect

186

Genesis of the Discovery

186

Neglected Opportunities

187

Questions

188

Etiology I: Early Questions

191

Recurrence

192

Recurrence in Families

193

Sex Disparities

195

Neural Tube Defects in Twins

196

In Sum

201

Abortion of Neural Tube Defects

201

Neural Tube Defect Accessories

203

Etiology II

207

A Small History Lesson

207

Later Days

208

Retinoids

209

Anticonvulsants

210

Folic Acid

210

Neural Tube Defects in China

216

Earlier Findings

216

A Folic Acid Study

216

Other Studies

217

Later Reports

219

Does Folic Acid Prevent Neural Tube Defects?

220

A Coda

221

The Ultimate Question

222

The Future

224

Bibliography

225

Index

259