Effects of Repetitive Hyperbaric Oxygen Therapy in Patients With Acute Ischaemic Stroke

  • STATUS
    Not Recruiting
  • participants needed
    60
  • sponsor
    Kasr El Aini Hospital
Updated on 22 January 2021
anticoagulants
thrombolytic
ischemia
ischemic stroke
alteplase
thrombolytic therapy
hemorrhagic stroke
plasminogen activator
plasminogen
acute stroke
tissue plasminogen activator
nervous system disorder

Summary

Background and Rationale:

Cerebrovascular disease is always ranked at the top causes of death and most of hospitalized acute stroke patients have ischemic stroke [1].

Although the mortality rate of acute ischemic stroke is less than that of hemorrhagic stroke [1], it still results in patient disabilities and complications that often lead to significant costs to individuals, families, and society.

Traditional treatment for acute ischemic stroke includes thrombolytic therapy by injecting tissue plasminogen activator (t-PA) within three hours after onset of symptoms [2], antiplatelets and/or anticoagulant agents administered within the first 48 hours. Clinically, the narrow time window of thrombolytic therapy and coexisting contraindications limit the use of t-PA [2]. Thus, searching for an effective supplemental treatment for acute ischemic stroke is imperative.

Hyperbaric oxygen therapy (HBOT) is valuable in treating acute carbon monoxide poisoning [3,4], air or gas embolism [5], facilitating wound healing [6] and has been used as an adjuvant treatment for many neurological disorders that need further study as concussion [7] , stroke [8,9], cerebral palsy [ 10],traumatic brain injury [ 11], cerebral air embolism [12], Autism [13] and multiple sclerosis [14].

Indications of hyperbaric oxygen therapy recommended by undersea and hyperbaric medical society (UHMS) [15] are 1.air or gas embolism [5], 2.carbon monoxide poisoning [3,4], 3.clostridial myositis and myonecrosis [16], 4.crush injury, compartment syndrome and other acute traumatic ischemias [17], 5.decompression sickness [18], 6.arterial insufficiencies [19], 7.severe anemia [20], 8.intracranial abscess [21], 9.necrotizing soft tissue infections [22],10. refractory osteomyelitis [23], 11.delayed radiation injury [24], 12.compromised grafts and flaps [25], 13.acute thermal burn injury [26] and 14.idiopathic sudden sensorineural hearing loss [27].

Known mechanisms of HBOT-induced neuroprotection include enhancing neuronal viability via increased tissue oxygen delivery to the area of diminished blood flow, reducing brain edema, and improving metabolism after ischemia [28,29]. Furthermore, a recent study performed on a rat suggested that upregulation of the expression of glial derived neurotrophic factor (GDNF) and nerve growth factor (NGF) might underlie the effect of HBOT [30].

The effectiveness of use of Hyperbaric oxygen therapy in human ischemic stroke is still controversial that need further evaluation.

Description

Study Methods:

Study Population A 60 adult (aged >18 years) patients were included with a diagnosis of acute thromboembolic ischemic stroke within 48 hours after onset, according to clinical picture and imaging findings by brain computed tomography (CT) without evidence of hemorrhage, upon admission to the hospital and no patient received thrombolytic therapy.

Inclusion criteria:

Group one, HBOT group (n = 30): thirty adult patients with acute ischemic stroke will receive conventional medical treatment ( as antiplatelet but not thrombolytic therapy) with 10 sessions of adjunctive hyperbaric oxygen therapy (HBOT) within 3-5 days after the onset of stroke .

Compared with Group two, control group(n = 30): thirty adult patients with acute ischemic stroke will receive conventional medical treatment alone.

The baseline clinical characteristics were similar in both groups.

Exclusion criteria:

  • Patient with cerebral hemorrhage
  • Patient received thrombolytic therapy
  • Emphysema with carbon dioxide retention
  • Pneumothorax
  • Seizure disorder
  • Uncontrolled high fever

Demographic Characteristics:

Adults more than 18 years, Any gender. All patients upon admission to the hospital will

provide

Complete history taking:Age, Gender, Smoking, Alcohol consumption, Past history: diabetes mellitus , hypertension , Chronic obstructive pulmonary disease, Epilepsy or cardiovascular disease.

Neurological assessment use NIHSS score Blood tests:Complete blood count , Coagulation profile, Fasting blood sugar., Renal function test (Urea and creatinine).

CT brain

Chest x-ray :

Electrocardiogram (ECG):

Details
Condition Cerebrovascular accident
Treatment Hyperbaric oxygen
Clinical Study IdentifierNCT03431402
SponsorKasr El Aini Hospital
Last Modified on22 January 2021

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