Education Policy | Post Primary | Preschool | Primary | Tertiary | Search

 


Cannabis Linked To Higher Stroke Risk In Young Adults

Smoking Cannabis Linked To Higher Stroke Risk In Young Adults

Cannabis use may double the stroke risk in young adults, according to a recent study by researchers in the Centre for Brain Research at The University of Auckland.

The study showed that ischemic stroke and transient ischemic attack (TIA) patients were 2.3 times more likely to have cannabis detected in urine tests as other age and sex matched patients.

“This is the first case-controlled study to show a possible link to the increased risk of stroke from cannabis,” said Professor Alan Barber, lead investigator for the study and Neurological Foundation professor of clinical neurology at the University. “Cannabis has been thought by the public to be a relatively safe, although illegal substance. This study shows this might not be the case; it may lead to stroke.”

Professor Barber this week presented the study findings to the American Stroke Association’s International Stroke Conference 2013 in Honolulu. The study included 160 ischemic stroke/TIA patients aged 18-55 years who had urine screens upon admission to the hospital.

Among the patients, 150 had ischemic stroke and 10 had TIAs. Sixteen percent of patients tested positive for cannabis, and were mostly male who also smoked tobacco, while only 8.1 percent of controls tested positive for cannabis in urine samples. Researchers found no differences in age, stroke mechanism or most vascular risk factors between cannabis users and non-users.

In previous case reports, ischemic stroke and TIAs developed hours after cannabis use, says Professor Barber. “These patients usually had no other vascular risk factors apart from tobacco, alcohol and other drug usage. It’s challenging to perform prospective studies involving illegal substances such as cannabis because “questioning stroke and control patients about cannabis use is likely to obtain unreliable responses,” he says.

The study provides the strongest evidence to date of an association between cannabis and stroke, says Professor Barber. But the association is confounded because all but one of the stroke patients who were cannabis users also used tobacco regularly.

“We believe it is the cannabis use and not tobacco,” says Professor Barber, who hopes to conduct another study to determine whether there’s an association between cannabis and stroke independent of tobacco use.

“This may prove difficult given the risks of bias and ethical strictures of studying the use of an illegal substance,” he says. “However, the high prevalence of cannabis use in this cohort of younger stroke patients makes this research imperative.”

Physicians should test young people who come in with stroke for cannabis use, says Professor Barber. “People need to think twice about using cannabis, because it can affect brain development and result in emphysema, heart attack and now stroke.”

The study was funded by the Auckland District Health Board’s A+ Trust. Co-authors were: Dr Neil E. Anderson (ADHB), Dr Heidi Pridmore, Dr Venkatesh Krishnamurthy, Dr Sally Roberts, Dr David A. Spriggs, and Dr Kristie Carter.

ENDS

© Scoop Media

 
 
 
 
 
Culture Headlines | Health Headlines | Education Headlines

 

NZ on Air: More Funding For TV Captions To Increase Access

More funding for TV captions to increase access NZ On Air has increased funding to provide more captions and audio description on television programmes for the hearing and sight impaired. More>>

Music: So Laid Back Country China Album Release

On Friday night, So Laid Back Country China held a gig at Meow for the release of their new album With Knees of Honey in Goodbye Canyon. I briefly spoke with Harriet lead vocals, keyboard) and Michael (lead vocals, guitar) before the gig More>>

Art: Wellington Region Celebrates Matariki

Eight Wellington museums and galleries have joined forces to present a major programme of exhibitions and events to celebrate Matariki 2015, the Māori New Year. The Wellington Matariki Festival will host more than 60 free events and activities between Saturday ... More>>

Wellington: TEDxWellingtonWomen Speakers Unveiled

The lineup is announced today for the highly anticipated upcoming event TEDxWellingtonWomen. Speakers include local women and men who have lived extraordinary lives and have ideas worth spreading. More>>

Culture: RNZB Showcases NZ Artists With Two World Premieres

The Royal New Zealand Ballet’s mixed bill Salute - Remembering WW1 which opens on 22 May will showcase the talents of New Zealand artists working at the top of their field. More>>


Books: Witi Ihimaera To Address ‘State Of NZ Literature’at Festival

6 May 2015 MEDIA RELEASE Witi Ihimaera to Address ‘State of NZ Literature’ at Dunedin Writers and Readers Festival The New Zealand Book Council has chosen the 2015 Dunedin Writers and Readers Festival as the stage for its annual address, which ... More>>

Culture: Historic Māori Portraits Travel To The Czech Republic

Image credit: Gottfried Lindauer, Wahanui Reihana Te Huatare, oil on canvas, Auckland Art Gallery Toi o Tāmaki, gift of Mr H E Partridge, 1915 More>>

Art: Something Felt, Something Shared - Enjoy

Gabrielle Amodeo, Ruby Joy Eade, Clare McLean, Kalya Ward Curated by Emma Ng May 7 – 30, 2015 Opening: Wednesday May 6, 5.30pm Strange frequencies are channelled through personal narratives and poetic placeholders in Something felt, something ... More>>

Culture: Pukeahu Park ANZAC Day Commemoration 2015

Pukeahu Park ANZAC Day Commemoration 2015 Images from New Zealand Defence Force Click for big version A bugler plays The Last Post Click for big version A View from the top of the Carillion Click for big version Faces old and young Click for big ... More>>

Television: MediaWorks Announces Dancing With The Stars Hosts

MediaWorks and BBC Worldwide ANZ are delighted to announce host Dominic Bowden alongside co-host Sharyn Casey for the hit series Dancing with the Stars. More>>

Get More From Scoop

 
 

LATEST HEADLINES

 
 
 
 
Education
Search Scoop  
 
 
Powered by Vodafone
NZ independent news