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- Must be able to walk on level ground without aid of any kind
- Must be able to perform deep knee bend activity without aid of any kind
- Must be able to perform chair-rise activity without aid of any kind
- Must be willing to sign both Informed Consent and HIPAA forms
- Speak English
Exclusion Criteria for non-implanted subjects:
- Other surgical procedures performed within the past 6 months that would prohibit them from performing three required activities
- Any past knee pathologies, osteoarthritis or knee surgeries, including implants
- Pregnant
- Severe cardiopulmonary or neurologic disease
- Body weight > 250 lbs
- BMI > 40
- KSS < 90
- Unable to perform 3 required activities unassisted
- Unwilling to sign both Informed Consent and HIPAA forms
- Prisoner
- Mental disease
- Unable to speak English
THERAPEUTIC MANAGEMENT OF COMPLEX ANAL FISTULAS BY INSTALLING A CLOSURE CLIP: MULTICENTRE RANDOMIZED CONTROLLED TRIAL:
Anal fistulas are the main etiology of perianal abscesses and suppurations. They are common and generally associated with pain, anal incontinence, impaired quality of life and work incapacity. The therapeutic management of this disease has a double objective: heal the suppuration and preserve the sphincter function. Each year, anal fistulas affect 1 in 10 000 in the normal population, with a difference in prevalence between men and women (1.23 per 10 000 men and 0.56 per 10 000 women). The average age of the patients was 40 years (Simpson et al., 2012).
In about 80% of cases, anal fistulas are secondary to an infection of Hermann and Desfosses' anal glands (cryptogenic or cryptoglandular). Infection of the anal gland can result in an abscess between the internal and external sphincters, which in turn can spread to other parts of the perianal region. The infection can follow many directions from this point in the intersphincteric plan. When the pus reaches the skin, the fistula is formed. Anal fistula therefore has always an intraductal origin, cryptic, with a primary port at this level, and the disregard of which causes the recurrence of the fistula; and usually a secondary port in the skin.
Fistulas are usually divided into two groups. The first group contains fistulas called "simple", which are intersphincteric fistulas or trans-sphincteric involving only the lower third of the sphincter complex. Fistulas usually didn't affect any muscle. The second group contains fistulas called "complex". These are intersphincteric, trans-sphincteric, or even suprasphincteric, extrasphincteric fistulas.
For many years, the treatment of choice was to open the fistula (fistulotomy), but this procedure was associated with a risk of incontinence, the consequences could be potentially devastating. Other surgical treatments include setons, fibrin glue, collagen plugs and advancement flap technique to cover internal opening of the fistula. The success of these therapies remains variable.
The advancement flap technique remains a strategy of choice in the treatment of anal fistulas and particularly in the case of complex fistulas. The success rate of the advancement flap technique remains variable across studies but a recent meta-analysis finds a success rate of around 60%.
A new technique for closing anal fistula is currently in development with the use of a closure clip nitinol (OTSC® Proctology Laboratory: OVESCO and French Distributor: Life Partners). This new technique has been validated in a porcine model of anal fistula, ensuring the safety of the device. A first case was published in a patient with complex anal fistula (high trans-sphincteric). After erosion fistula tract with a special brush, a nitinol clip (OTSC® Proctology) was deposited on the internal opening of the fistula. Eight months after surgery, the fistula was healed and the clip was removed by cutting with special pliers. This technique is currently being broadcast and dozens of patients were treated with this clip without any further scientific validation of the process.
To date, this innovative technique of the closure clip has not yet been assessed in a randomized controlled trial. It is therefore essential to carry out a prospective evaluation in order to determine the effectiveness and safety of this new device in the case of complex anal fistulas.
After validation of the inclusion and exclusion criteria, the patients included in this clinical trial will be randomized between the two arms of the study for the closure of the anal fistula:
- Control group: advancement flap technique Experimental group: closure clip (OTSC® Proctology Laboratory: OVESCO and French Distributor: Life Partners)
Follow up of the patients will be performed until 1 year after the intervention.
Inclusion Criteria:
- Complex anal fistula (intersphincteric, trans-sphincteric, or even suprasphincteric, extrasphincteric) drained and requiring closing intervention of fistula.
- Obtaining the patient's written consent
- Naive patient to any surgical treatment for fistula closure
- Patient receiving a social security scheme
Exclusion Criteria:
- <18 years and> 80 years
- BMI> 35 kg / m²
- Rectovaginal or rectourethral fistulas
- Infections : sepsis, tuberculosis or HIV
- History of allergy to nickel
- Cognitive disorders or major disability making it impossible to understand the study and signed an informed consent
- Already included in another clinical trial patients
- breastfeeding or pregnancy
- Legal incapacity (person deprived of liberty or guardianship)
- Patients not compliant with the criteria of the study
A COMPARISON OF INHALATION VS. INTRAVENOUS INDUCTION:
To compart differences on the effect on core temperature between anesthetic induction with intravenous propofol versus inhalation induction with sevoflurane
Hypothermia occurs with anesthetic induction due to redistribution hypothermia. Hypothermia has adverse effects and should be avoided or minimized. Intravenous propofol induction is the most common technique used for anesthetic induction. There is preliminary evidence that there is less redistribution hypothermia when anesthetic induction is achieved by inhalation induction compared to intravenous induction. There is not enough data to compel a change in practice patterns. This study will enroll a larger number of patients in order to provide stronger evidence that there is a significant difference between induction techniques on body temperature. Patients will be randomly assigned to two variation of inhalation induction techniques and two variations of intravenous induction. The effect on temperature between the four groups will be compared. Reducing the degree of hypothermia has the potential to decrease surgical infection rate as well as providing other benefits to patients.
Inclusion Criteria:
Elective surgery Adult, age >= 18 years old Scheduled for general anesthesia Medically fit and able to safely go any of the four anesthetic inductions in the study
Exclusion Criteria:
Emergency surgery, or any other aspiration risk Minor, age <18 Pregnant Febrile illness Contraindication to nasal instrumentation Allergy to propofol Malignant hyperthermia Requiring Total Invravenous Anesthesia (TIVA) Inability to oxygenate on less than 50% FiO2 Intra-cranial surgery Receiving vasoactive medications Significant valvular heart disease Unstable cardiac disease Surgery requiring prone or lateral positioning Contraindication to nitrous oxide Prisoners
EVALUATION OF THE IN SHAPE FITNESS INTERVENTION FOR ADULTS WITH SERIOUS MENTAL ILLNESS:
Few studies targeting obesity in serious mental illness have reported clinically significant risk reduction, and non have been replicated in community settings or demonstrated sustained outcomes after intervention withdrawal. The researchers sought to replicate positive health outcomes demonstrated in a previous randomized effectiveness study of the In SHAPE program across urban community mental health organizations serving an ethnically diverse population.