Evidence map›Paper›PMID 28216670›Full record

ArticleScientific reports2017

Intraluminal pressure patterns in the human colon assessed by high-resolution manometry.

Ji-Hong Chen, Yuanjie Yu, Zixian Yang, Wen-Zhen Yu, Wu Lan Chen, Hui Yu, Marie Jeong-Min Kim, Min Huang, Shiyun Tan, Hesheng Luo and 3 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
8.1field-weighted citation impact, top 2% 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

42 citing papers in PubMed, 81 citations in OpenAlex.

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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

13 authors at 4 institutions in 3 countries.

Ji-Hong ChenRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Yuanjie YuRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Zixian YangRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Wen-Zhen YuRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Wu Lan ChenMcMaster University, Farncombe Family Digestive Health Research Institute, Department of Medicine, Division of Gastroenterology, Hamilton, Ontario, Canada.
Hui YuMcMaster University, Farncombe Family Digestive Health Research Institute, Department of Medicine, Division of Gastroenterology, Hamilton, Ontario, Canada.
Marie Jeong-Min KimMcMaster University, Farncombe Family Digestive Health Research Institute, Department of Medicine, Division of Gastroenterology, Hamilton, Ontario, Canada.
Min HuangRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Shiyun TanRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Hesheng LuoRenmin Hospital of Wuhan University, Key Laboratory of Hubei Province for Digestive System Diseases, Wuhan, Hubei, China.
Jianfeng ChenMedKinetic Inc., Ningbo, China.
Jiande D Z ChenMedKinetic Inc., Ningbo, China.
Jan D HuizingaMcMaster University, Farncombe Family Digestive Health Research Institute, Department of Medicine, Division of Gastroenterology, Hamilton, Ontario, Canada.
Wuhan University · CNMcMaster University · CAJohns Hopkins Medicine · USRenmin Hospital of Wuhan University · CN

Funding

CIHR MOP12874
6 · The paper itself

Abstract

Assessment of colonic motor dysfunction is rarely done because of inadequate methodology and lack of knowledge about normal motor patterns. Here we report on elucidation of intraluminal pressure patterns using High Resolution Colonic Manometry during a baseline period and in response to a meal, in 15 patients with constipation, chronically dependent on laxatives, 5 healthy volunteers and 9 patients with minor, transient, IBS-like symptoms but no sign of constipation. Simultaneous pressure waves (SPWs) were the most prominent propulsive motor pattern, associated with gas expulsion and anal sphincter relaxation, inferred to be associated with fast propagating contractions. Isolated pressure transients occurred in most sensors, ranging in amplitude from 5-230 mmHg. Rhythmic haustral boundary pressure transients occurred at sensors about 4-5 cm apart. Synchronized haustral pressure waves, covering 3-5 cm of the colon occurred to create a characteristic intrahaustral cyclic motor pattern at 3-6 cycles/min, propagating in mixed direction. This activity abruptly alternated with erratic patterns resembling the segmentation motor pattern of the small intestine. High amplitude propagating pressure waves (HAPWs) were too rare to contribute to function assessment in most subjects. Most patients, dependent on laxatives for defecation, were able to generate normal motor patterns in response to a meal.

Indexed as

PressureAdultArtifactsCase-Control StudiesColonConstipationFemaleHumansMaleManometryMiddle Aged

Identifiers

PMID28216670
PMCPMC5316981
OpenAlexW2590898467

What OpenQuestion holds

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LicenceCC BY
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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.