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Items: 14


Practice patterns and outcomes after stroke across countries at different economic levels (INTERSTROKE): an international observational study.

Langhorne P, O'Donnell MJ, Chin SL, Zhang H, Xavier D, Avezum A, Mathur N, Turner M, MacLeod MJ, Lopez-Jaramillo P, Damasceno A, Hankey GJ, Dans AL, Elsayed A, Mondo C, Wasay M, Czlonkowska A, Weimar C, Yusufali AH, Hussain FA, Lisheng L, Diener HC, Ryglewicz D, Pogosova N, Iqbal R, Diaz R, Yusoff K, Oguz A, Wang X, Penaherrera E, Lanas F, Ogah OS, Ogunniyi A, Iversen HK, Malaga G, Rumboldt Z, Magazi D, Nilanont Y, Rosengren A, Oveisgharan S, Yusuf S; INTERSTROKE collaborators.

Lancet. 2018 May 19;391(10134):2019-2027. doi: 10.1016/S0140-6736(18)30802-X. Epub 2018 May 17.


Anti-correlated cortical networks arise from spontaneous neuronal dynamics at slow timescales.

Kodama NX, Feng T, Ullett JJ, Chiel HJ, Sivakumar SS, Galán RF.

Sci Rep. 2018 Jan 12;8(1):666. doi: 10.1038/s41598-017-18097-0.


Spherical Harmonics Reveal Standing EEG Waves and Long-Range Neural Synchronization during Non-REM Sleep.

Sivakumar SS, Namath AG, Galán RF.

Front Comput Neurosci. 2016 Jun 22;10:59. doi: 10.3389/fncom.2016.00059. eCollection 2016.


Decreased heart rate and enhanced sinus arrhythmia during interictal sleep demonstrate autonomic imbalance in generalized epilepsy.

Sivakumar SS, Namath AG, Tuxhorn IE, Lewis SJ, Galán RF.

J Neurophysiol. 2016 Apr;115(4):1988-99. doi: 10.1152/jn.01120.2015. Epub 2016 Feb 17.


Radiotherapy pre-treatment dose validation: A second verification of monitor units (MU) with a commercial software.

Al Amri I, Ravichandran R, Sivakumar SS, Binukumar JP, Davis CA, Al Rahbi Z, Al Shukeili K, Al Kindi F.

J Med Phys. 2012 Oct;37(4):235-9. doi: 10.4103/0971-6203.103610.


Beam configuration and physical parameters of clinical high energy photon beam for total body irradiation (TBI).

Ravichandran R, Binukumar JP, Davis CA, Sivakumar SS, Krishnamurthy K, Mandhari ZA, Rajan B.

Phys Med. 2011 Jul;27(3):163-8. doi: 10.1016/j.ejmp.2010.10.003. Epub 2010 Nov 11.


Risk factors for ischaemic and intracerebral haemorrhagic stroke in 22 countries (the INTERSTROKE study): a case-control study.

O'Donnell MJ, Xavier D, Liu L, Zhang H, Chin SL, Rao-Melacini P, Rangarajan S, Islam S, Pais P, McQueen MJ, Mondo C, Damasceno A, Lopez-Jaramillo P, Hankey GJ, Dans AL, Yusoff K, Truelsen T, Diener HC, Sacco RL, Ryglewicz D, Czlonkowska A, Weimar C, Wang X, Yusuf S; INTERSTROKE investigators.

Lancet. 2010 Jul 10;376(9735):112-23. doi: 10.1016/S0140-6736(10)60834-3. Epub 2010 Jun 17.


Extrapolation chamber mounted on perspex for calibration of high energy photon and electron beams from a clinical linear accelerator.

Ravichandran R, Binukumar JP, Sivakumar SS, Krishnamurthy K, Davis CA.

J Med Phys. 2009 Jan;34(1):31-6. doi: 10.4103/0971-6203.48718.


Formulation and initial experience on patient specific quality assurance for clinical implementation of dynamic IMRT.

Krishnamurthy K, Sivakumar SS, Davis CA, Ravichandran R, El Ghamrawy K.

Gulf J Oncolog. 2009 Jan;(5):44-8.


A method for estimation of accuracy of dose delivery with dynamic slit windows in medical linear accelerators.

Ravichandran R, Binukumar JP, Sivakumar SS, Krishnamurthy K, Davis CA.

J Med Phys. 2008 Jul;33(3):127-9. doi: 10.4103/0971-6203.42768.


Clinical implementation of dynamic intensity-modulated radiotherapy: Dosimetric aspects and initial experience.

Sivakumar SS, Krishnamurthy K, Davis CA, Ravichandran R, Kannadhasan S, Biunkumar JP, El Ghamrawy K.

J Med Phys. 2008 Apr;33(2):64-71. doi: 10.4103/0971-6203.41195.


Optimization of dose distribution with multi-leaf collimator using field-in-field technique for parallel opposing tangential beams of breast cancers.

Murthy KK, Sivakumar SS, Davis CA, Ravichandran R, El Ghamrawy K.

J Med Phys. 2008 Apr;33(2):60-3. doi: 10.4103/0971-6203.41194.


Verification of setup errors in external beam radiation therapy using electronic portal imaging.

Murthy KK, Al-Rahbi Z, Sivakumar SS, Davis CA, Ravichandran R, El Ghamrawy K.

J Med Phys. 2008 Apr;33(2):49-53. doi: 10.4103/0971-6203.41192.


Evaluation methods for detecting changes in beam output and energy in radiation beams from high-energy linear accelerators.

Ravichandran R, Binukumar JP, Davis CA, Krishnamurthy K, Sivakumar SS.

J Med Phys. 2007 Jul;32(3):92-6. doi: 10.4103/0971-6203.35720.

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