• Sarvagya Jain
• Kajal Kumari Rajak
• Manju Prajapati
• J.P. Rai
• Akhlesh Kumar Singhai

Hypoxia and ischemia are critical conditions characterized by insufficient oxygen supply to tissues. Hypoxia occurs when oxygen delivery falls below the tissue demand, while ischemia refers to inadequate blood flow leading to oxygen deprivation. Both conditions disrupt cellular metabolism, triggering a cascade of cellular and molecular responses. In hypoxia, cells activate adaptive mechanisms such as hypoxia-inducible factors (HIFs) to enhance oxygen delivery and maintain cellular homeostasis. However, prolonged hypoxia can lead to tissue damage and organ dysfunction. Ischemia exacerbates hypoxia by restricting blood flow, depriving tissues of oxygen and essential nutrients. Without timely intervention, ischemic tissues undergo irreversible damage, culminating in necrosis or apoptosis. Understanding the underlying mechanisms of hypoxia and ischemia is crucial for developing effective therapeutic strategies. Current treatments focus on restoring oxygen supply, improving blood flow, and mitigating tissue damage. These may include oxygen therapy, reperfusion techniques, and pharmacological interventions targeting cellular pathways involved in hypoxia and ischemia. In summary, hypoxia and ischemia represent significant challenges in clinical practice, necessitating ongoing research to unravel their complexities and develop targeted therapies to mitigate their detrimental effects on human health.

Hypoxia, Types of Hypoxia, Hyperbaric Oxygen Therapy, Ischemia, Types of ischemia.

"A concise review on Hypoxia and Ischemia", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 3, page no.f27-f31, March-2024, Available :http://www.jetir.org/papers/JETIR2403504.pdf

"A concise review on Hypoxia and Ischemia", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 3, page no. ppf27-f31, March-2024, Available at : http://www.jetir.org/papers/JETIR2403504.pdf