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د.محمد بن عبدالعزيز الأحمد

Assistant Professor

استاذ الاحصاء التطبيقي (الحيوي)

كلية إدارة الأعمال
مبنى 67 ، الدور الثاني، مكتب S231
المنشورات
مقال فى مجلة
2016

Automatic Diagnosis of Sinus Arrhythmia Using HRV Indices Correlation During Anesthesia State

, M.Naouar, M.Alahmedand, R.B.Salah1, . 2016

Thisstudyestablishesanefficienttoolforinvestigationandautomaticdiagnosisofsinusarrhythmia and autonomous nervous system (ANS) during anesthesia state. Application is designed to analyze heart rate variability(HRV)basedon3Danalysis:PWVTandinstalledtoanalyzethebehaviorofANSstateofanesthesia in surgery service (n=11). PWVT demonstrate that the activity of ANS falls 8'43 after the injection of anestheticproduct,whileSTFTshowthisactivitydropsjustattheinjection,whichisphysiologicallyincorrect. Anautomaticdiagnosismethodisintroducedanditconsistsinpreparingdatabasewithsetofdifferentcardiac diseases parameters. The LF, HF, LF+HF and LF/HF powers are estimated to reflect the cardiac balance and allow the establishment of parametric database. And estimated the correlation of the above parameters with indices of HRV in time domain: Rri, RRSTD, rMSSD and pNN50. Thecorrelationsweresignificantwith p-value<0.001 for most pairs. Our studyshow, that variables stronglydepend on vagal tone (pNN50, rMSSD andLFandHF)werehighlycorrelated(r>0.89).Accordingexperimentalresults,LF/HFpowersdecreaseduring anesthesia state and RRi increase.We conclude that some time and frequency domain indices correlate so stronglywitheachotherthattheycansurrogateeachother.


مزيد من المنشورات
publications

 The outcome of the autograft therapy for Parkinson’s disease including autologous cells from adrenal medulla was disappointing. This could be attributed to the pathological process in Parkinson’s…

بواسطة M.A. Al-Fayez1, M. Atteya1, 2, R.A. Mohamed1, 2, A.M. Ahmed1, A.H. Alroalle1, M. Salah Khalil3, 4, M. Al-Ahmed5, A. Payne6
2017
publications

Thisstudyestablishesanefficienttoolforinvestigationandautomaticdiagnosisofsinusarrhythmia and autonomous nervous system (ANS) during anesthesia state. Application is designed to analyze heart rate…

بواسطة M.Naouar, M.Alahmedand, R.B.Salah1,
2016
publications

Abstract: This study establishes an efficient tool for investigation and automatic diagnosis of sinus arrhythmia
and autonomous nervous system (ANS) during anesthesia state. Application is…

بواسطة M. Naouar, M. Alahmed and R.B. Saleh
2016