In hopes of qualifying sexual dysfunction, there are several measures that health care practitioners use to document.  The most popular used in the United States is the SHIM (Sexual Health Inventory for Men) questionnaire, a brief list of questions that the patient can reply using a scale from 1 to 10.  This is an honest self-assessment performed by the subject/patient.  There is also another questionnaire known as the International Index of Erectile Function erectile function domain (IIEF-ED) score.  However, self-assessment questionnaires may be more of a subjective way to determine a patient’s extent of sexual dysfunction based on a limited number of symptoms that the patient is expected to relate to.  It is indeed promising to see any subjective improvement in erectile function and systemic endothelial function measured by “a morning woody” or rather a spontaneous erection of the penis during sleep or upon rising in the morning.

Some other measures of determining erectile dysfunction and its causes can be considered more objective, including a nocturnal penile tumescence (NPT) test and flow-mediated dilatation using duplex ultrasound.  The NPT test is not commonly used except for more difficult cases, typically involving younger patients. 

Most clinical studies published in the medical journals utilize one of the questionnaires and also a blood flow study.  Penile hemodynamics then becomes a more appropriate measure and certainly a better objective way to demonstrate sexual dysfunction prior to and after therapy.  RegenerWave uses duplex ultrasonography of the cavernosal arteries in addition to the SHIM questionnaire prior to the beginning of treatment so as to have a baseline and also at the end of the 6th RegenerWave treatment.

Reference Sources:

  1.  Kalyvianakis D.  Low-Intensity Shockwave Therapy Improved Hemodynamic Parameters in Patients With Vasculogenic Erectile Dysfunction:  A Triplex Ultrasonography-Based Sham-Controlled Trial.  J Sex Med. 2017.
  2. International Society for Sexual Medicine.

About Dr. Katherine Rodriguez

Dr. Rodriguez has created and combined a unique set of medical protocols to elevate patients to their optimum state of health. The systems have been fine tuned for athletes, executives, celebrities and performers who challenge themselves daily to achieve their ultimate levels of performance. Dr. Rodriguez fine tunes each custom evaluation through extensive medical research, applied innovation and superb patient interaction.

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