Evidence map›Paper›PMID 23962205›Full record

Observational studyBritish journal of clinical pharmacology2014

High dose benzodiazepines prolong reaction times in chronic users who have major depressive and/or anxiety disorders.

Leonie Manthey, Fawzia van Loenen-Frösch, Erik J Giltay, Tineke van Veen, Klaske Glashouwer, Brenda W J H Penninx, Frans G Zitman

Abstract readComparative StudyObservational Study
In one paragraph

Observational study in British journal of clinical pharmacology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

5 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Observational
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

7 authors.

Leonie MantheyDepartment of Psychiatry, Leiden University Medical Centre, Leiden, the Netherlands.
Fawzia van Loenen-Frösch
Erik J Giltay
Tineke van Veen
Klaske Glashouwer
Brenda W J H Penninx
Frans G Zitman

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimShort term administration of benzodiazepines (BZD) was found to prolong reaction time (RT) in experimental studies. However, studies on long term BZD use did not always adjust for important confounders and showed inconsistent results. We aimed to identify a possible relationship between long term BZD use and RT in BZD users in this large cross-sectional, observational study.

methodsThe RTs of non-users (n = 2404) were compared with low (n = 288), intermediate (n = 74), and high dose BZD users (n = 57) in the Netherlands Study of Depression and Anxiety (NESDA). RTs were obtained from the Implicit Association Test. Analyses were adjusted for sociodemographic characteristics, health indicators, severity of psychopathology and antidepressant use.

resultsOf the NESDA participants, 419 subjects (14.8%) used BZDs. A higher dose of BZDs was associated with prolonged RTs (P = 0.01). When comparing the different dose groups, the high dose group, but not the low and medium dose groups, had significantly longer RTs than the non-users.

conclusionsTolerance for the RT prolonging effect of relatively high doses of BZDs does not seem to develop. As prolonged RTs can have adverse consequences in daily life, BZDs should be prescribed conservatively at the lowest possible dose.

Indexed as

AdultAntidepressive AgentsAnxiety DisordersBenzodiazepinesCross-Sectional StudiesDose-Response Relationship, DrugDrug Administration ScheduleFemaleHumansMajor Depressive DisorderMaleMiddle AgedNetherlandsReaction TimeSeverity of Illness IndexTime FactorsAntidepressive AgentsBenzodiazepinesanxietyattentionbenzodiazepinespsychomotor speedreaction timeside effects

Identifiers

PMID23962205
PMCPMC4371532

What OpenQuestion holds

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Registered trials

None linked

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.