The private practice model: an ethical perspective.
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The aim of this study is to present the clinical data from the use of implants that were placed and restored in four independent private dental offices. In part I, the survival rate was calculated and the failure causes were associated with some potential risk factors. In part II, the surgical and prosthetic complications were also recorded and associated both with failures and clinical factors. During 1990-2002 (mean observation 4.6 years), 1692 dental implants were placed and restored in 405 patients in 4 private clinics following the same treatment protocol. The prosthetic restorations included fixed partial dentures, single crowns, and overdentures. The results were statistically analyzed and survival rate probability curves were calculated according to Kaplan-Meier analysis. Part I: Seventy-four implants (4.4%) in a total of 1692 implants failed. The mean of time elapsed before removal of the failed implants was 40 months. The failure rate was higher in the maxilla in patients with metabolic diseases, in D4 bone quality, in smokers, and in patients with insufficient oral hygiene. Part II: Surgical complications happened to 65 implants (3.8%). Prosthetic complications appeared in 152 implants (9%). The overall survival rate (95.6%) in a period of 1 to 12 years is comparable to other studies. The early failures represented a high percentage of failures. Peri-implantitis was the main cause of late failures. The results of this study indicate that the use of implants in private clinics is a safe and predictable method for the treatment of partially or completely edentulous patients, if the proper clinical protocol is followed. The need of a severe recall program must also be emphasized.
BACKGROUND: Ocular sports trauma is a leading cause of permanent vision loss in the United States. Various studies have examined the nature of injury, based on retrospective emergency room data. Knowledge of the epidemiology of ocular sports trauma will help the private practitioner identify those patients who are most at risk for injury so that the appropriate eye protection can be recommended. METHODS: A prospective evaluation of ocular injuries encountered in a private ophthalmology practice was performed to identify athletes most at risk for injury and to document the long-term complications of these injuries. RESULTS: Of 125 patients, 57 suffered corneal abrasion, 48 incurred traumatic iritis, 45 received lid or orbital contusions, and 43 sustained conjunctival hemorrhages. Basketball and the racquet sports were the leading causes of trauma, while baseball/softball and football were other important sources of injury. Hyphema was the primary reason for hospital admission. Permanent sequelae were sustained in 37 patients (29 percent), while eight suffered some degree of permanent visual loss. The great majority of patients were injured while participating in unsupervised sporting activities. CONCLUSIONS: The types of injury and sports involved in this study were similar to those reported by hospital emergency rooms. The great majority of injuries could have been prevented if adequate protective eyewear had been worn. Eye care practitioners should advocate the use of protective eyewear for patients who participate in sports activities.
In a three-month audit of referrals to consultants by 18 general practitioners, a wide variation in individual doctor's referral rates was observed. The rate for private referral varied between doctors to a remarkable degree. Referrals made privately were twice as likely as NHS referrals to have been initiated by the patient. Private referrals were perceived by the doctors to have been no less worth-while than NHS referrals. The holding of private health insurance by patients was a factor in a third of private referrals.
OBJECTIVE: To assess cost and cost-effectiveness of immunization reminder/recall systems in the private sector. METHODS: A manual postcard system (mail) was compared with a computer-based telephone system (autodialer) and control. Costs included time costs and the cost of equipment and supplies. The cost per child and the incremental cost of the intervention relative to control were computed. Cost-effectiveness ratios were computed for return visits and for immunizations delivered. RESULTS: The average cost per child was $2.28 for the mail group and $1.47 for the autodialer group. The incremental visit cost relative to the control was higher for the mail group ($9.52) than for the autodialer group ($3.48). The autodialer was more cost-effective in delivering immunizations: $4. 06 per extra immunization (autodialer) versus $12.82 (mail). CONCLUSIONS: Excluding start-up costs, the autodialer system was most cost-effective. Including autodialer equipment costs, the autodialer system is more cost-effective only for larger practices.
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Explore the source record for details and available documents.
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