https://sudepwiki.pathology.jhmi.edu/index.php?title=Is_geomagnetic_activity_a_risk_factor_for_sudden_unexplained_death_in_epilepsies%3F&feed=atom&action=historyIs geomagnetic activity a risk factor for sudden unexplained death in epilepsies? - Revision history2024-03-28T14:23:07ZRevision history for this page on the wikiMediaWiki 1.35.0https://sudepwiki.pathology.jhmi.edu/index.php?title=Is_geomagnetic_activity_a_risk_factor_for_sudden_unexplained_death_in_epilepsies%3F&diff=1518&oldid=prevAlano at 17:39, 17 June 20192019-06-17T17:39:04Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:39, 17 June 2019</td>
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<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">''Schnabel R, Beblo M, and May TW (2000) Is geomagnetic activity a risk factor for sudden unexplained death in epilepsies? Neurology 54:4 903–8.''</del></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">{{Reference</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">'''[http://www.neurology.org/content/54/4/903.full.pdf+html Link to Article]'''</del></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">|reference=</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">'''Abstract:''' OBJECTIVE: To test the hypothesis that sudden unexplained death (SUD) in epilepsy is related to geomagnetic activity. BACKGROUND: Prior studies presume that geomagnetic activity (with average amplitudes above 50 nanotesla [nT]) is associated with SUD in epileptic human patients and in epileptic laboratory rats. METHODS: In a retrospective study</del>, <del class="diffchange diffchange-inline">46 epileptic patients with definite SUD were compared with 108 epileptic patients with known cause of death (KCD) who died between 1981 and 1992. A complete postmortem examination was performed in all cases. The time of the day and date of death</del>, <del class="diffchange diffchange-inline">as well as two international geomagnetic indices concerning Bartels' planetary 3-hour signs (Kp) </del>and <del class="diffchange diffchange-inline">the mean planetary daily amplitudes </del>(<del class="diffchange diffchange-inline">Ap</del>) <del class="diffchange diffchange-inline">at time of death, were assessed. RESULTS: Among 45 SUD individuals, the local time (37.8%) and the universal time of death (35.6%) peaked within the critical period between 3 to 9 AM. However, the SUD and KCD group did not substantially differ in regard to the distribution of local or universal time of death (p > 0.2, Fisher test). Neither the Kp signs at death and 2 hours before death nor the Ap values showed considerable differences between the SUD and KCD series (p > 0.2, Mann-Whitney test). Merely 4.3% of SUD patients and 3.7% of KCD patients were associated with Ap indices above 50 nT (p > 0.2, Fisher test). CONCLUSION: The results do not support the hypothesis that </del>geomagnetic activity <del class="diffchange diffchange-inline">is related to occurrence of </del>sudden unexplained death in <del class="diffchange diffchange-inline">epileptic patients</del>.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Schnabel R</ins>, <ins class="diffchange diffchange-inline">Beblo M</ins>, and <ins class="diffchange diffchange-inline">May TW </ins>(<ins class="diffchange diffchange-inline">2000</ins>) <ins class="diffchange diffchange-inline">Is </ins>geomagnetic activity <ins class="diffchange diffchange-inline">a risk factor for </ins>sudden unexplained death in <ins class="diffchange diffchange-inline">epilepsies? Neurology 54:4 903–8</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">'''Keywords:''' Geomagnetic activity—Sudden unexplained death—Epilepsy.</del></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">|url=</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">=Context=</del></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">http://www.neurology.org/content/54/4/903.full.pdf+html</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>=<del class="diffchange diffchange-inline">Comments</del>=</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">|abstract</ins>=</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">OBJECTIVE: To test the hypothesis that sudden unexplained death (SUD) in epilepsy is related to geomagnetic activity. BACKGROUND: Prior studies presume that geomagnetic activity (with average amplitudes above 50 nanotesla [nT]) is associated with SUD in epileptic human patients and in epileptic laboratory rats. METHODS: In a retrospective study, 46 epileptic patients with definite SUD were compared with 108 epileptic patients with known cause of death (KCD) who died between 1981 and 1992. A complete postmortem examination was performed in all cases. The time of the day and date of death, as well as two international geomagnetic indices concerning Bartels' planetary 3-hour signs (Kp) and the mean planetary daily amplitudes (Ap) at time of death, were assessed. RESULTS: Among 45 SUD individuals, the local time (37.8%) and the universal time of death (35.6%) peaked within the critical period between 3 to 9 AM. However, the SUD and KCD group did not substantially differ in regard to the distribution of local or universal time of death (p > 0.2, Fisher test). Neither the Kp signs at death and 2 hours before death nor the Ap values showed considerable differences between the SUD and KCD series (p > 0.2, Mann-Whitney test). Merely 4.3% of SUD patients and 3.7% of KCD patients were associated with Ap indices above 50 nT (p > 0.2, Fisher test). CONCLUSION: The results do not support the hypothesis that geomagnetic activity is related to occurrence of sudden unexplained death in epileptic patients.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">|keywords</ins>=</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Geomagnetic activity—Sudden unexplained death—Epilepsy.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">|context=</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">|comments=</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">}}</ins></div></td></tr>
</table>Alanohttps://sudepwiki.pathology.jhmi.edu/index.php?title=Is_geomagnetic_activity_a_risk_factor_for_sudden_unexplained_death_in_epilepsies%3F&diff=659&oldid=prevYcarmen1: Created page with "''Schnabel R, Beblo M, and May TW (2000) Is geomagnetic activity a risk factor for sudden unexplained death in epilepsies? Neurology 54:4 903–8.'' '''[http://www.neurology...."2017-11-20T22:44:07Z<p>Created page with "''Schnabel R, Beblo M, and May TW (2000) Is geomagnetic activity a risk factor for sudden unexplained death in epilepsies? Neurology 54:4 903–8.'' '''[http://www.neurology...."</p>
<p><b>New page</b></p><div>''Schnabel R, Beblo M, and May TW (2000) Is geomagnetic activity a risk factor for sudden unexplained death in epilepsies? Neurology 54:4 903–8.''<br />
<br />
'''[http://www.neurology.org/content/54/4/903.full.pdf+html Link to Article]'''<br />
<br />
'''Abstract:''' OBJECTIVE: To test the hypothesis that sudden unexplained death (SUD) in epilepsy is related to geomagnetic activity. BACKGROUND: Prior studies presume that geomagnetic activity (with average amplitudes above 50 nanotesla [nT]) is associated with SUD in epileptic human patients and in epileptic laboratory rats. METHODS: In a retrospective study, 46 epileptic patients with definite SUD were compared with 108 epileptic patients with known cause of death (KCD) who died between 1981 and 1992. A complete postmortem examination was performed in all cases. The time of the day and date of death, as well as two international geomagnetic indices concerning Bartels' planetary 3-hour signs (Kp) and the mean planetary daily amplitudes (Ap) at time of death, were assessed. RESULTS: Among 45 SUD individuals, the local time (37.8%) and the universal time of death (35.6%) peaked within the critical period between 3 to 9 AM. However, the SUD and KCD group did not substantially differ in regard to the distribution of local or universal time of death (p > 0.2, Fisher test). Neither the Kp signs at death and 2 hours before death nor the Ap values showed considerable differences between the SUD and KCD series (p > 0.2, Mann-Whitney test). Merely 4.3% of SUD patients and 3.7% of KCD patients were associated with Ap indices above 50 nT (p > 0.2, Fisher test). CONCLUSION: The results do not support the hypothesis that geomagnetic activity is related to occurrence of sudden unexplained death in epileptic patients.<br />
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'''Keywords:''' Geomagnetic activity—Sudden unexplained death—Epilepsy.<br />
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=Context=<br />
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=Comments=</div>Ycarmen1