E-ISSN 0976-2833 | ISSN 0975-3583
 

Original Article 


Cardio-pulmonary fitness test by ultra-short heart rate variability

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani.

Abstract
Objectives: It is known that exercise induces cardio-respiratory autonomic modulation. The aim of this study was to assess the cardio-pulmonary fitness by ultra-short heart rate variability. Materials and Methods: Study population was divided into 3 groups: Group-1 (n = 40) consisted of military sports man. Group-2 (n = 40) were healthy age-matched sedentary male subjects with normal body mass index [BMI = 1925 kg/m2). Group-3 (n = 40) were healthy age-matched obese male subjects [BMI > 29 kg/m2). Standard deviationof normal-to-normal QRS intervals (SDNN) was recorded over 15 minutes. Bruce protocol treadmill test was used; and, maximum oxygen consumption (VO2max) was calculated. Results: When the study population was divided into quartiles of SDNN (first quartile: < 60 msec; second quartile: > 60 and < 100 msec; third quartile: > 100 and < 140 msec; and fourth quartile: > 140 msec), progressive increase was found in VO2max; and, SDNN was significantly linked with estimated VO2max. Conclusion: In conclusion, the results of this study demonstrate that exercise training improves cardio-respiratory autonomic function (and increases heart rate variability). Improvement in cardio-respiratory autonomic function seems to translate into a lower rate of long term mortality. Ultra-short heart rate variability is a simple cardio-pulmonary fitness test which just requires 15 minutes, and involves no exercise such as in the treadmill or cycle test.

Key words: excercise,fitness, heart rate variability,standard deviation of normal-normal QRS intervals


 
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How to Cite this Article
Pubmed Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. Cardio-pulmonary fitness test by ultra-short heart rate variability. J Cardiovasc. Dis. Res.. 2011; 2(4): 233-236. doi:10.4103/0975-3583.89808


Web Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. Cardio-pulmonary fitness test by ultra-short heart rate variability. http://www.jcdronline.org/?mno=93198 [Access: January 15, 2022]. doi:10.4103/0975-3583.89808


AMA (American Medical Association) Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. Cardio-pulmonary fitness test by ultra-short heart rate variability. J Cardiovasc. Dis. Res.. 2011; 2(4): 233-236. doi:10.4103/0975-3583.89808



Vancouver/ICMJE Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. Cardio-pulmonary fitness test by ultra-short heart rate variability. J Cardiovasc. Dis. Res.. (2011), [cited January 15, 2022]; 2(4): 233-236. doi:10.4103/0975-3583.89808



Harvard Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani (2011) Cardio-pulmonary fitness test by ultra-short heart rate variability. J Cardiovasc. Dis. Res., 2 (4), 233-236. doi:10.4103/0975-3583.89808



Turabian Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. 2011. Cardio-pulmonary fitness test by ultra-short heart rate variability. Journal of Cardiovascular Disease Research, 2 (4), 233-236. doi:10.4103/0975-3583.89808



Chicago Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. "Cardio-pulmonary fitness test by ultra-short heart rate variability." Journal of Cardiovascular Disease Research 2 (2011), 233-236. doi:10.4103/0975-3583.89808



MLA (The Modern Language Association) Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani. "Cardio-pulmonary fitness test by ultra-short heart rate variability." Journal of Cardiovascular Disease Research 2.4 (2011), 233-236. Print. doi:10.4103/0975-3583.89808



APA (American Psychological Association) Style

Arsalan Aslani, Amir Aslani, Jalal Kheirkhah, Vahid Sobhani (2011) Cardio-pulmonary fitness test by ultra-short heart rate variability. Journal of Cardiovascular Disease Research, 2 (4), 233-236. doi:10.4103/0975-3583.89808





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