DGI:ZNS-Infektionen/Nosokomiale Ventrikulitis und Meningitis/Diagnostik: Difference between revisions

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== Diagnostik ==
==Diagnostik==


=== Diagnosekriterien ===
===Diagnosekriterien===
<span class="ve-pasteProtect" style="font-size:12.0pt;
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mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;
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mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;\nmso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;\nmso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">eines der folgenden Kriterien</span>
mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;\nmso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;\nmso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">eines der folgenden Kriterien</span>


* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">kultureller Nachweis von Erregern aus dem Liquor</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">kultureller Nachweis von Erregern aus dem Liquor</span>


ODER
ODER


* <span class="ve-pasteProtect" style="mso-list:Ignore" data-ve-attributes="{&quot;style&quot;:&quot;mso-list:Ignore&quot;}"><span class="ve-pasteProtect" style="font:7.0pt &quot;Times New Roman&quot;" data-ve-attributes="{&quot;style&quot;:&quot;font:7.0pt \&quot;Times New Roman\&quot;&quot;}">   </span></span>Zwei der folgenden Kriterien:
*<span class="ve-pasteProtect" style="mso-list:Ignore" data-ve-attributes="{&quot;style&quot;:&quot;mso-list:Ignore&quot;}"><span class="ve-pasteProtect" style="font:7.0pt &quot;Times New Roman&quot;" data-ve-attributes="{&quot;style&quot;:&quot;font:7.0pt \&quot;Times New Roman\&quot;&quot;}">   </span></span>Zwei der folgenden Kriterien:
** Fieber > 38,0°C oder Kopfschmerzen
**Fieber > 38,0°C oder Kopfschmerzen
** Meningismus
**Meningismus
** Hirnnervensymptome
**Hirnnervensymptome


* und eins der folgenden Kriterien:
*und eins der folgenden Kriterien:
** <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">erhöhte Leukozytenzahl, erhöhter Proteingehalt und/oder erniedrigter Glucosegehalt im Liquor</span>
**<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">erhöhte Leukozytenzahl, erhöhter Proteingehalt und/oder erniedrigter Glucosegehalt im Liquor</span>
** <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">mikroskopischer Nachweis von Erregern im Liquor</span>
**<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">mikroskopischer Nachweis von Erregern im Liquor</span>
** <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">Nachweis von Erregern im Blut</span>
**<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">Nachweis von Erregern im Blut</span>
** <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">positiver IgM-Antikörpertiter oder vierfacher IgG-Titeranstieg für Erreger in wiederholt entnommenen Serumproben</span>
**<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family: Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;mso-bidi-font-family:\nCalibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:DE&quot;}">positiver IgM-Antikörpertiter oder vierfacher IgG-Titeranstieg für Erreger in wiederholt entnommenen Serumproben</span>


<br />
<br />


=== Diagnostische Schritte ===
===Diagnostische Schritte===


==== <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language: DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;\nmso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:\nDE&quot;}">Basisdiagnostik:</span> ====
====<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language: DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;\nmso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:\nDE&quot;}">Basisdiagnostik:</span>====


* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Liquorkultur + Grampräparat</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Liquorkultur + Grampräparat</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Liquorstatus (Glucose, Lactat, Zellzahl, Granulozyten, Eiweiß)</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Liquorstatus (Glucose, Laktat, Zellzahl, Granulozyten, Eiweiß)</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Katheterspitze zur mikrobiologischen Diagnostik (nur wenn ein V.a., einen Infekt besteht, nicht routinemäßig)</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Katheterspitze zur mikrobiologischen Diagnostik (nur wenn ein V.a. einen Infekt besteht, nicht routinemäßig)</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Blutkulturen (insb. bei VA-Shunts)</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Blutkulturen (insb. bei VA-Shunts)</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">bei ventrikuloperitonealen Shunts: Abdomen-Sonographie oder CT</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">bei ventrikuloperitonealen Shunts: Abdomen-Sonographie oder CT</span>


===== <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language: DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;\nmso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:\nDE&quot;}">Zusatzdiagnostik:</span> =====
=====<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language: DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\&quot;Times New Roman\&quot;;\nmso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;mso-ansi-language:\nDE&quot;}">Zusatzdiagnostik:</span>=====


* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">MRT mit Gadolinium, FLAIR, T1- und DWI-Sequenzen</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">MRT mit Gadolinium, FLAIR, T1- und DWI-Sequenzen</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Procalcitonin im Liquor</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Procalcitonin im Liquor</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Liquor PCR</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Liquor PCR</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">beta-D-Glucan und Galaktomannan im Liquor bei V.a. eine Pilzinfektion</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">beta-D-Glucan und Galaktomannan im Liquor bei V.a. eine Pilzinfektion</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Bebrütung der Liquorkulturen für mindestens 10d, um langsamwachsende Erreger, wie z.B. ''Cutibacterium acnes,'' nachweisen zu können</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Bebrütung der Liquorkulturen für mindestens 10d, um langsamwachsende Erreger, wie z.B. ''Cutibacterium acnes,'' nachweisen zu können</span>


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=== Differentialdiagnosen ===
===Differentialdiagnosen===


* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Hirnabszess</span>
*<span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">Hirnabszess</span>
* <span class="ve-pasteProtect" style="font-size:12.0pt;mso-fareast-font-family: &quot;Times New Roman&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin; mso-ansi-language:DE" data-ve-attributes="{&quot;style&quot;:&quot;font-size:12.0pt;mso-fareast-font-family:\n\&quot;Times New Roman\&quot;;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;\nmso-ansi-language:DE&quot;}">sub-/epidurale Empyeme</span>
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Revision as of 23:46, 14 December 2020

Diagnostik

Diagnosekriterien

Die Diagnose einer nosokomialen Ventrikulitis bzw. Meningitis ist schwierig [28]. Es gibt verschiedene Definitionen, die eine moderate Übereinstimmung aufweisen [29]. Nachstehend ist die Definition des amerikanischen CDC (Center for Disease Control and Prevention) aufgeführt, die auch in der Leitlinie der IDSA (Infectious Diseases Society of America) verwendet wird [28].

eines der folgenden Kriterien

  • kultureller Nachweis von Erregern aus dem Liquor

ODER

  •    Zwei der folgenden Kriterien:
    • Fieber > 38,0°C oder Kopfschmerzen
    • Meningismus
    • Hirnnervensymptome
  • und eins der folgenden Kriterien:
    • erhöhte Leukozytenzahl, erhöhter Proteingehalt und/oder erniedrigter Glucosegehalt im Liquor
    • mikroskopischer Nachweis von Erregern im Liquor
    • Nachweis von Erregern im Blut
    • positiver IgM-Antikörpertiter oder vierfacher IgG-Titeranstieg für Erreger in wiederholt entnommenen Serumproben


Diagnostische Schritte

Basisdiagnostik:

  • Liquorkultur + Grampräparat
  • Liquorstatus (Glucose, Laktat, Zellzahl, Granulozyten, Eiweiß)
  • Katheterspitze zur mikrobiologischen Diagnostik (nur wenn ein V.a. einen Infekt besteht, nicht routinemäßig)
  • Blutkulturen (insb. bei VA-Shunts)
  • bei ventrikuloperitonealen Shunts: Abdomen-Sonographie oder CT
Zusatzdiagnostik:
  • MRT mit Gadolinium, FLAIR, T1- und DWI-Sequenzen
  • Procalcitonin im Liquor
  • Liquor PCR
  • beta-D-Glucan und Galaktomannan im Liquor bei V.a. eine Pilzinfektion
  • Bebrütung der Liquorkulturen für mindestens 10d, um langsamwachsende Erreger, wie z.B. Cutibacterium acnes, nachweisen zu können


Differentialdiagnosen

  • Hirnabszess
  • sub-/epidurale Empyeme
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