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Epidural Hydroxyethyl Starch for Post-Dural Puncture Headache in Parturients

29. Oktober 2026 aktualisiert von: Dong-Xin Wang, Peking University First Hospital

Effect of Epidural Hydroxyethyl Starch Administration for Prevention of Post-Dural Puncture Headache in Parturients: A Multi-center Prospective Cohort Study

The incidence of accidental dural puncture (ADP) among parturients receiving neuraxial labor analgesia has been reported to range from 1% to 1.5%. Post-dural puncture headache (PDPH) is a headache caused by low cerebrospinal fluid pressure resulting from substantial cerebrospinal fluid leakage after dural and arachnoid puncture. Epidural filling with hydroxyethyl starch (HES) via an epidural catheter has been used to prevent PDPH in patients with ADP. This multicenter prospective cohort study aimed to evaluate the effect of epidural HES filling in preventing PDPH in parturients who experienced ADP during epidural labor analgesia or neuraxial anesthesia for cesarean delivery.

Studienübersicht

Detaillierte Beschreibung

Accidental dural puncture (ADP) is a common complication of epidural puncture. Studies have reported that the incidence of ADP among parturients receiving neuraxial labor analgesia ranges from 1% to 1.5%. Post-dural puncture headache (PDPH) is a headache caused by low cerebrospinal fluid (CSF) pressure resulting from substantial CSF leakage after dural and arachnoid puncture. It typically occurs when the dura is accidentally punctured by a relatively large 16- or 18-gauge epidural needle during epidural labor analgesia or anesthesia, and occasionally after spinal anesthesia or combined spinal-epidural anesthesia performed with a 25-gauge fine needle. The literature reports that the incidence of PDPH among parturients undergoing neuraxial puncture is 0.4% to 1.5%, and that the incidence of PDPH after ADP is 50% to 80%, which is far higher than that in non-obstetric patients.

Current guideline-recommended treatments for PDPH include: (1) nonpharmacological conservative treatment, including oral fluids or intravenous hydration to maintain or increase CSF production, bed rest, and use of an abdominal binder. Although commonly used, their efficacy remains uncertain. (2) Pharmacological treatment: multimodal analgesia with acetaminophen and nonsteroidal anti-inflammatory drugs is recommended, and short-term opioid use may also be considered. Although these can relieve some symptoms, the potential transfer of drugs into breast milk and effects on the neonate should be considered at high doses. (3) Epidural blood patch (EBP) is the recommended standard treatment. It involves slow, fractionated injection of 15-20 mL of autologous blood into the epidural space, which increases epidural pressure, redistributes CSF, and forms a local blood clot that seals the dural tear, thereby reducing CSF leakage and gradually relieving the headache. However, not all patients with ADP develop PDPH; a strategy of routine prophylactic EBP would expose some patients to unnecessary potential risks.

Epidural filling with crystalloids or colloids is another alternative treatment option, which involves injecting normal saline, dextran, or hydroxyethyl starch (HES) through an epidural catheter to increase CSF pressure. Bel et al. reported a case in which epidural dextran filling successfully treated spontaneous intracranial hypotension in a pregnant woman. Aldrete et al. reported 13 patients with PDPH refractory to EBP whose headaches completely resolved after epidural dextran filling. Reynvoet et al. reported a patient with PDPH accompanied by hearing loss in whom two EBPs failed to relieve symptoms; at 8 weeks, epidural dextran filling was performed, and the symptoms completely resolved. Case reports from China and other countries have also described the preventive and therapeutic effects of epidural HES filling for the prevention and treatment of PDPH, with no adverse events reported during long-term follow-up.

This multicenter prospective cohort study aimed to evaluate the effect of epidural HES filling in preventing PDPH in parturients who experienced ADP during epidural labor analgesia or neuraxial anesthesia for cesarean delivery.

Studientyp

Beobachtungs

Einschreibung (Geschätzt)

410

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

    • Beijing Municipality
      • Beijing, Beijing Municipality, China, 100034
        • Peking University First Hospital
        • Kontakt:
      • Beijing, Beijing Municipality, China, 100080
        • Beijing Haidian Maternal and Child Health Hospital
        • Kontakt:
    • Ningxia
      • Yinchuan, Ningxia, China, 750001
        • Ningxia Maternal and Child Health Hospital
        • Kontakt:
    • Shanxi

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Weiblich

Probenahmeverfahren

Nicht-Wahrscheinlichkeitsprobe

Studienpopulation

The study population comprised parturients aged ≥18 years who experienced accidental dural puncture (ADP) during epidural labor analgesia or neuraxial anesthesia for cesarean delivery at the participating centers during the enrollment period.

Beschreibung

Inclusion Criteria:

  1. Age ≥18 years.
  2. Have experienced accidental dural puncture (ADP) during epidural labor analgesia or neuraxial anesthesia for cesarean delivery.

Exclusion Criteria:

  1. Age <18 years.
  2. ASA physical status ≥IV.
  3. Cesarean delivery under general anesthesia.
  4. Preoperative inability to communicate due to intellectual or language impairment.
  5. Pre-existing cerebrovascular disease, migraine, or chronic headache.
  6. Long-term use of oral analgesics.
  7. Preoperative coagulation dysfunction.
  8. Platelet count <80×10⁹/L.
  9. Refusal to participate.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Beobachtungsmodelle: COHORT
  • Zeitperspektiven: PROSPECTIVE

Kohorten und Interventionen

Gruppe / Kohorte
Intervention / Behandlung
Epidural hydroxyethyl starch group

For parturients with accidental dural puncture during labor epidural analgesia, after successful reinsertion of the epidural catheter at a different interspace, 15 mL of hydroxyethyl starch (HES) will be administered into the epidural space at two time points: the first at 30 minutes after the initial epidural dose administered through the reinserted catheter, and the second before catheter removal 24 hours after delivery.

For parturients with accidental dural puncture during cesarean delivery, 15 mL of HES will be administered into the epidural space at two time points: after delivery of the fetus and before catheter removal at the end of the 48-hour analgesia period.

For parturients with accidental dural puncture during labor epidural analgesia, after successful reinsertion of the epidural catheter at a different interspace, 15 mL of hydroxyethyl starch (HES) will be administered into the epidural space at two time points: the first at 30 minutes after the initial epidural dose administered through the reinserted catheter, and the second before catheter removal 24 hours after delivery.

For parturients with accidental dural puncture during cesarean delivery, 15 mL of HES will be administered into the epidural space at two time points: after delivery of the fetus and before catheter removal at the end of the 48-hour analgesia period.

Andere Namen:
  • Epidural filling with hydroxyethyl starch
Non epidural hydroxyethyl starch group

For parturients with accidental dural puncture during labor epidural analgesia, after successful reinsertion of the epidural catheter at a different interspace, no HES will be administered into the epidural space in the control group. The corresponding time points in the intervention group are 30 minutes after the initial epidural dose administered through the reinserted catheter and before catheter removal 24 hours after delivery.

For parturients with accidental dural puncture during cesarean delivery, no HES will be administered into the epidural space in the control group. The corresponding time points in the intervention group are after delivery of the fetus and before catheter removal at the end of the 48-hour analgesia period.

For parturients with accidental dural puncture during labor epidural analgesia, after successful reinsertion of the epidural catheter at a different interspace, no HES will be administered into the epidural space in the control group. The corresponding time points in the intervention group are 30 minutes after the initial epidural dose administered through the reinserted catheter and before catheter removal 24 hours after delivery.

For parturients with accidental dural puncture during cesarean delivery, no HES will be administered into the epidural space in the control group. The corresponding time points in the intervention group are after delivery of the fetus and before catheter removal at the end of the 48-hour analgesia period.

Andere Namen:
  • No epidural filling with hydroxyethyl starch

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Incidence of post-dural puncture headache (PDPH) within 7 days.
Zeitfenster: Up to 7 days after accidental dural puncture.

According to the International Classification of Headache Disorders, 3rd edition (ICHD-3) diagnostic criteria for post-dural puncture headache (PDPH), PDPH is defined as: a history of dural puncture; headache occurring within 5 days after dural puncture; headache consistent with low cerebrospinal fluid pressure headache; and not better accounted for by another ICHD-3 diagnosis.

Up to 7 days after accidental dural puncture.

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Duration of post-dural puncture headache (PDPH)
Zeitfenster: Up to 2 weeks after accidental dural puncture.

Duration of PDPH is defined as the time from the onset of PDPH to complete resolution of headache, recorded in days. Patients without resolution by the end of follow-up will be censored at the last follow-up visit.

Up to 2 weeks after accidental dural puncture.
Severity of post-dural puncture headache (PDPH)
Zeitfenster: Up to 2 weeks after accidental dural puncture.

PDPH severity was graded on a 0-10 numeric rating scale (NRS) as mild (1-3), moderate (4-6), or severe (7-10).

Up to 2 weeks after accidental dural puncture.

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Ermittler

  • Hauptermittler: Dong-Xin Wang, MD, PhD, Peking University First Hospital

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. November 2026

Primärer Abschluss (Geschätzt)

1. Dezember 2029

Studienabschluss (Geschätzt)

1. Juni 2030

Studienanmeldedaten

Zuerst eingereicht

29. Oktober 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

29. Oktober 2026

Zuerst gepostet (Tatsächlich)

4. November 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

4. November 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

29. Oktober 2026

Zuletzt verifiziert

1. Oktober 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Plan für individuelle Teilnehmerdaten (IPD)

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NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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