Organization: Under Pressure Hyperbaric Treatment Center
Phone Numbers: 905-274-2032
Fax: 905-274-4067
Email: info@underpressurehbot.ca
Website: www.underpressurehbot.ca/
Address:
1692 Lakeshore Rd W
Mississauga, ON
L5J 1J5
Intersection: Southdown Rd and Lakeshore Rd W
Location: Mississauga (Clarkson)
Accessibility:
Wheelchair Accessible
Accessibility Notes: Free parking
Hours: Mon-Fri 8am-4pm
Executives: Dr. Marion Lyver - Medical Director
marion.lyver@underpressurehbot.ca
Public Contacts: Michelle Wanless - Manager, Operations and Business Development

Izaak Del Mastro - Assistant Manager
izaak.delmastro@underpressurehbot.ca
Service Description: Clinic specializing in HyperBaric Oxygen Therapy (HBOT) in order to enhance healing of various OHIP-funded conditions such as diabetic foot or leg wounds, thermal burns, delayed radiation injury, idiopathic sudden sensorineural hearing loss (ISSNHL) (diagnosed by ENT with injections and treatment started within 30 days), necrotizing soft tissue infections, compromised skin grafts or flaps, osteomyelitis, hemmorhagic cystitis/proctitis, osteoradionecrosis, calciphylaxis, crush injury, exceptional blood loss (anemia), etc.

Also includes HBOT for non-OHIP funded conditions such as musculoskeletal injuries, concussions, and pre and post-surgery recovery including open and laparoscopic surgery, cosmetic surgery, Lyme Disease, TBI (Traumatic Brain Injury Acquired/Anoxic), Autism Spectrum Disorders (ASD), sports injury, etc.



  • OHIP: Diabetic/chronic/problem wounds, osteomyelitis, idiopathic sudden sensorineural hearing loss (ISSNHL), delayed radiation injury including osteoradionecrosis, crush injury, avascular necrosis, hemorrhagic cystitis/proctitis, calciphylaxis
  • Non-OHIP: post-concussion, acquired brain injury, sports injuries, autism, Chronic Lyme Disease, pre and post-op care and recovery, ischemic vasculitis, gout, fibromyalgia, neuropathies, sports injury, TBI (high quality research on HBOT not yet available on most of these conditions so results/benefits may vary)
* Registered Massage Therapy (RMT) services available

Fees: OHIP-funded HBOT for OHIP-approved conditions * 3rd party pay for non-OHIP conditions (employer insurance, WSIB; accident claim insurance) * private pay
Application: Medical referral (from MD with active/valid OHIP #) required for OHIP to fund cost of initial consultation
Eligibility / Target Population: Adult, pediatric and geriatric populations
Languages: English ; French
Area Served: Mississauga, Oakville and area
Print Materials:  Under Pressure Hyperbaric Treatment - 2020 MR
See Also: Oxygen and Respiratory Services
Wound Care
Last Updated: 3/11/2025
Service Profile Web Address: eng/displayService.aspx?id=167656

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