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Epidural Hydroxyethyl Starch for Post-Dural Puncture Headache in Parturients

2026년 10월 29일 업데이트: 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.

연구 개요

상세 설명

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.

연구 유형

관찰

등록 (추정된)

410

연락처 및 위치

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연구 연락처

연구 연락처 백업

연구 장소

    • Beijing Municipality
      • Beijing, Beijing Municipality, 중국, 100034
        • Peking University First Hospital
        • 연락하다:
      • Beijing, Beijing Municipality, 중국, 100080
        • Beijing Haidian Maternal and Child Health Hospital
        • 연락하다:
    • Ningxia
      • Yinchuan, Ningxia, 중국, 750001
        • Ningxia Maternal and Child Health Hospital
        • 연락하다:
    • Shanxi
      • Taiyuan, Shanxi, 중국, 030009

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

18년 이상 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

여성

샘플링 방법

비확률 샘플

연구 인구

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.

설명

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.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 관찰 모델: COHORT
  • 시간 관점: PROSPECTIVE

코호트 및 개입

그룹/코호트
개입 / 치료
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.

다른 이름들:
  • 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.

다른 이름들:
  • No epidural filling with hydroxyethyl starch

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Incidence of post-dural puncture headache (PDPH) within 7 days.
기간: 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.

2차 결과 측정

결과 측정
측정값 설명
기간
Duration of post-dural puncture headache (PDPH)
기간: 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)
기간: 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.

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수사관

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

간행물 및 유용한 링크

연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.

일반 간행물

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 11월 1일

기본 완료 (추정된)

2029년 12월 1일

연구 완료 (추정된)

2030년 6월 1일

연구 등록 날짜

최초 제출

2026년 10월 29일

QC 기준을 충족하는 최초 제출

2026년 10월 29일

처음 게시됨 (실제)

2026년 11월 4일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 11월 4일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 10월 29일

마지막으로 확인됨

2026년 10월 1일

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