The Impact of Exercise on C-reactive Protein Levels in Hypertensive Patients: A Systematic Review
Tatchaya Kanthajan1, Manorama Pandey1, Osamah AlQassab1
1Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA.
Insights
Exercise, particularly aerobic and combined training, significantly lowers C-reactive protein (CRP) levels in patients with hypertension. This highlights exercise as a key non-pharmacological strategy to reduce inflammation and manage high blood pressure.
Area of Science:
- Cardiology
- Exercise Physiology
- Inflammation Research
Background:
- Hypertension is a major global health issue linked to cardiovascular complications, often involving inflammation.
- C-reactive protein (CRP) is an inflammatory marker elevated in hypertensive patients, indicating increased cardiovascular risk.
- Exercise is a recommended non-pharmacological approach for hypertension management, with potential anti-inflammatory effects.
Purpose of the Study:
- To examine the impact of exercise interventions on C-reactive protein (CRP) levels in hypertensive patients.
- To synthesize findings from existing studies on exercise, CRP, and hypertension.
- To evaluate the role of different exercise modalities in modulating inflammation in hypertension.
Main Methods:
- Systematic review of 14 studies identified through comprehensive searches of major scientific databases (PubMed, ScienceDirect, Cochrane Library, Google Scholar).
- Focus on studies investigating exercise interventions, physical fitness, and CRP levels in individuals with high blood pressure.
- Analysis of findings related to aerobic exercise, resistance training, combined exercise, and physical fitness assessments.
Main Results:
- Most studies showed aerobic exercise consistently reduced CRP levels in hypertensive patients, especially under supervision and with dietary control.
- Resistance training yielded mixed results, with significant CRP reductions mainly in longer-term interventions.
- Combined aerobic and resistance training effectively lowered CRP and improved cardiovascular markers.
- Higher physical fitness correlated with decreased CRP levels.
Conclusions:
- Regular aerobic and combined exercise training significantly reduce CRP levels in hypertensive patients.
- Prolonged resistance exercise may also decrease CRP levels.
- Exercise is a valuable non-pharmacological strategy for managing hypertension by reducing inflammation.
- Further research is needed to explore mechanisms and compare exercise modalities.
Abstract:
Hypertension, defined as persistently elevated blood pressure, is a prevalent chronic condition and a significant global health issue, closely linked to cardiovascular complications, with inflammation being one of the underlying mechanisms. In hypertensive patients, C-reactive protein (CRP), an inflammatory marker, is often elevated and associated with increased cardiovascular risk. Alongside pharmacotherapy, exercise is recommended as a non-pharmacological approach to managing hypertension, with evidence suggesting that exercise can also reduce inflammation. This study examines the impact of exercise on CRP levels in hypertensive patients. Fourteen studies focusing on exercise interventions and physical fitness related to CRP in individuals with high blood pressure were identified through an extensive search of PubMed, PubMed Central, ScienceDirect, Cochrane Library, and Google Scholar. The findings indicated that most studies involving aerobic exercise consistently demonstrated reductions in CRP levels among hypertensive patients, with significant effects observed under supervised conditions, and additional benefits seen when combined with dietary control. Resistance training showed mixed results, with significant reductions in CRP observed primarily in longer-term interventions. Combined exercise training, incorporating both aerobic and resistance elements, effectively reduced CRP levels and improved cardiovascular health markers. Physical fitness assessments, such as a bicycle exercise test to exhaustion, revealed a relationship between physical fitness and decreased CRP levels. Therefore, regular, consistent aerobic and combined training, as well as prolonged resistance exercise, significantly reduce CRP levels in hypertensive patients, highlighting exercise's role as a non-pharmacological strategy for managing hypertension through the reduction of inflammation. Further research is essential to validate these findings and investigate the underlying mechanisms and differential effects of various exercise modalities.
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