Respiratory depression and brain hypoxia induced by opioid drugs: Morphine, oxycodone, heroin, and fentanyl

EA Kiyatkin - Neuropharmacology, 2019 - Elsevier
Opioid drugs are important tools to alleviate pain of different origins, but they have strong
addictive potential and their abuse at higher doses often results in serious health …

Opioid use disorder and the brain: a clinical perspective

K Herlinger, A Lingford‐Hughes - Addiction, 2022 - Wiley Online Library
Opioid use disorder (OUD) has gained increasing publicity and interest during recent years,
with many countries describing problems of epidemic proportions with regard to opioid use …

Xylazine effects on opioid-induced brain hypoxia

S Choi, MR Irwin, EA Kiyatkin - Psychopharmacology, 2023 - Springer
Rationale Xylazine has emerged in recent years as an adulterant in an increasing number of
opioid-positive overdose deaths in the United States. Although its exact role in opioid …

Increased heroin intake and relapse vulnerability in intermittent relative to continuous self‐administration: sex differences in rats

G D'Ottavio, I Reverte, D Ragozzino… - British journal of …, 2023 - Wiley Online Library
Background and Purpose Studies using intermittent‐access drug self‐administration show
increased motivation to take and seek cocaine and fentanyl, relative to continuous access. In …

The pattern of brain oxygen response induced by intravenous fentanyl limits the time window of therapeutic efficacy of naloxone

CM Curay, MR Irwin, EA Kiyatkin - Neuropharmacology, 2023 - Elsevier
Opioids induce respiratory depression resulting in coma or even death during overdose.
Naloxone, an opioid antagonist, is the gold standard reversal agent for opioid intoxication …

Brain oxygen responses induced by opioids: focus on heroin, fentanyl, and their adulterants

EA Kiyatkin, S Choi - Frontiers in Psychiatry, 2024 - frontiersin.org
Opioids are important tools for pain management, but abuse can result in serious health
complications. Of these complications, respiratory depression that leads to brain hypoxia is …

Ventilatory Effects of Fentanyl, Heroin, and d-Methamphetamine, Alone and in Mixtures in Male Rats Breathing Normal Air

T Hiranita, NP Ho, CP France - Journal of Pharmacology and Experimental …, 2024 - ASPET
The number of drug overdoses and deaths has increased significantly over the past decade
and co-use of opioids and stimulants is associated with greater likelihood of overdose and …

Heroin contaminated with fentanyl dramatically enhances brain hypoxia and induces brain hypothermia

E Solis, KT Cameron-Burr, EA Kiyatkin - eneuro, 2017 - eneuro.org
While opioid abuse is an established medical and public health issue, the increased
availability of highly potent synthetic opioids, such as fentanyl, has given rise to acute health …

Hippocampal volume loss in individuals with a history of non‐fatal opioid overdose

DR Todaro, X Li, LS Pereira‐Rufino, P Manza… - Addiction …, 2023 - Wiley Online Library
Incidence of opioid‐related overdoses in the United States has increased dramatically over
the past two decades. Despite public emphasis on overdose fatalities, most overdose cases …

Interactions of benzodiazepines with heroin: respiratory depression, temperature effects, and behavior

A Afzal, EA Kiyatkin - Neuropharmacology, 2019 - Elsevier
Benzodiazepines are important therapeutic drugs, but they are often abused and co-abused
with opioids. Clinical evidence suggests that benzodiazepines can inhibit respiration, and …