Introduction: Chronic rhinosinusitis (CRS) has a substantial negative impacts on quality of life. Although, Ultrasound (US) modality held an effective role for CRS, there aregreat conflicting opinions concerning in CRS management. Aim of Study: to compare therapeutic effects of continous USversus pulsed US in treatment of chronic rhinosinusitis. Material and Methods: Thirty CRS patients, their ages were 20 to 40 years old of both genders recruited from Suez Canal University Hospital, then randomly allocated into equal two groups; first group (A) received pulsed US, while second group (B) received continues US. Sinusitis Symptom Score (SSS) was verified to assess both groups prior and after treatment protocol along twelve consecutive sessions. All participants` data regarding SSS were measured before starting the treatment and after four weeks of intervention, the measurements data were collected, tabulated then statistically analyzed. Results: There were statistically significant among groups regarding demographics. Statistical analysis for present study results revealed a statistically significant improvements post study treatment protocol represented in values of SSS in all study population with superiorly improved for pulsed US modality group. Conclusion: Both therapeutic pulsed US and continues US were beneficial for chronic rhinosinusitis management based on twelve consecutive weeks with superior efficient gains by using pulsed therapeutic US therapy.
