Evidence map›Paper›PMID 27900992›Full record

Trial reportChinese medical journal2016

Improved Intermittent-clamped Drainage in Lower Lumbar Internal Fixation: A Randomized Prospective Study.

Qing-Ying Hao, Chu-Yin Liu, Chan-Juan Fu, Xiao-Hua Zhang, Ming-Sheng Tan

Open access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Chinese medical journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
0.3field-weighted citation impact, top 32% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.

  1. Closed-suction drainage in thoracolumbar spinal surgery-clinical routine without evidence? a systematic review.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2022
    Pooled it
  2. Trial
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Qing-Ying HaoDepartment of Spinal Surgery, -Japan Friendship Hospital, Beijing 100029, China.
Chu-Yin LiuGraduate School, Beijing University of Chinese Medicine, Beijing 100029, China.
Chan-Juan FuDepartment of Spinal Surgery, -Japan Friendship Hospital, Beijing 100029, China.
Xiao-Hua ZhangDepartment of Spinal Surgery, -Japan Friendship Hospital, Beijing 100029, China.
Ming-Sheng TanDepartment of Spinal Surgery, -Japan Friendship Hospital, Beijing 100029, China.
China-Japan Friendship Hospital · CNBeijing University of Chinese Medicine · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundContinuous negative pressure drainage (CNPD) is widely used after lower lumbar internal fixation; however, it may cause tremendous blood loss and lead to postoperative hemorrhagic anemia. The present study explored the efficacy and safety of improved intermittent-clamped drainage (ICD) for lower lumbar internal fixation.

methodsThis was a prospective study that included 156 patients with decompression of the spinal canal and internal fixation for the first time from January 2012 to December 2014. The patients were randomly divided into ICD group and CNPD group, and each group had 78 cases. A drainage tube was placed under the deep fascia in all patients within 10 min after the commencement of wound closure. The postoperative drainage amount at different time points, the hemoglobin level, and postoperative complications were recorded and compared between the two groups. Shapiro-Wilk test, independent samples t-test, and Mann-Whitney U-test were used in this study.

resultsThe drainage amount was significantly reduced in the ICD group, as compared with the CNPD group (Z = 10.74, P < 0.01). The mean total drainage amount (in ml) of the single-segment and two-segment procedures was significantly greater in the CNPD group than the ICD group (Z = 10.63 and 10.75, respectively; P < 0.01). For the adverse events, there was no significant difference in postoperative temperature, wound problem, and complications between the two groups.

conclusionsThe present study showed a statistically significant reduction in postoperative drainage amount between ICD and CNPD groups, and ICD is an effective, convenient, and safe method for routine use in lower lumbar surgery. It is essential to focus on the effect of clamping drainage with long-segment surgical procedure and complex lumbar disease in the further investigation, as well as the effect of clamping on long-term functional outcomes.

Indexed as

Blood Loss, SurgicalDrainageFemaleFracture Fixation, InternalHumansIntervertebral Disc DegenerationLumbar VertebraeMaleMiddle AgedProspective StudiesSpinal FusionTreatment Outcome

Identifiers

PMID27900992
PMCPMC5146786
OpenAlexW2551832353

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.