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A historical appraisal of America's experience with "pyromania"--a diagnosis in search of a disorder.

When "pyromania" from 1840-1890 is reviewed, it stands out as a concept that at first found favor in an era of moral insanity and moral treatment. During this period pyromania was variously labeled as a form of monomania, moral insanity, impulsive mania, or instinctive mania. As early as 1850, and clearly after the Civil War, however, controversial arguments regarding the locus of personal responsibilty emerged. Arguments were put forward that there could be diseased brains but not diseased minds. Without the proof of an organic lesion in the brain, fire-setting became an act whose locus rested in the individual's moral fabric, and in this historical context became a nonmedical concern punishable by law. Pyromania, at the hands of those physicians who limited insanity to disorders of the brain, might have received the same fate as other diseases of the mind or will: it could have simply been dismissed. But it lingered. The period 1880-1917 witnessed professional attention directed toward prophylaxis, mental hygiene, and a reorientation of American psychiatry toward an endorsement of psychotherapy (Sicherman, 1980). Attention to pyromania was more quiescent than it had been. The development of psychoanalytic theory which followed allowed for the re-emergence of pyromania as a disease entity. The diagnosis then flourished from 1924 until 1957, with descriptions of it including: an irresistible impulse, a urethra-erotic character trait, an obsession, or a psychosexually based impulse neurosis. The period of 1924-1985 can be viewed as a repetition of the period between 1840-1890 in terms of the evolution of the place of pyromania in the lexicon of psychiatry, of its existence as a disease entity, and of its implications for personal responsibility for destructive acts. Supported at the outset of this later period as a disease, this time grounded in psychoanalytic rather than moral theories of responsibility, it loses favor as the psychobiologic position ascends. And like the preceding period, the conception of pyromania as a specific disorder wanes but never dies, as advocacy for the psychodynamic (replacing moral) approach diminishes but does not disappear. The cyclical nature of pyromania has parallels in cycles of reform in standards of civil commitment (Livermore, Malmquist & Meehl, 1958; Dershowitz, 1974), in the use of physical therapies and medications (Tourney, 1967; Mora, 1974), in treatment of the chronically mentally ill (Deutsch, 1949; Morrissey & Goldman, 1984), and in institutional practices (Treffert, 1967; Morrissey, Goldman & Klerman (1980).(ABSTRACT TRUNCATED AT 400 WORDS)

Adolescent↗

APIC position paper: prevention of device-mediated blood-borne infections to health care workers. 1992 Governmental Affairs Committee of the Association for Practitioners in Infection Control, Inc.

The Association for Practitioners in Infection Control, Inc. (APIC) is a multidisciplinary organization of over 9000 health care professionals who practice institutional epidemiology in the form of infection control and quality improvement within a variety of settings. As a national leader in prevention and control of infections, APIC supports efforts to reduce and eliminate device-mediated blood-borne infections.

Acquired Immunodeficiency Syndrome↗

Environment and treatment: methodological notes on program evaluation and institutional culture.

This paper discusses the evaluation of a small regional children's rehabilitation centre. Several data sets were obtained including patient records and physical examinations of and interviews with Centre graduates. Originally, the project sought to describe the Centre's growth and determine successful programs. Design changes led to an examination of the relationship between institutional culture and the subsequent lifestyles of the graduates. The data strongly suggested that the institution's value orientation, which stressed successful accomplishment of daily living activities, life skills, had an impact upon an 'isolate lifestyle' apparent in the graduates. Standard statistical analysis are not able to support these conclusions. The methodological problems which lead to weaknesses in evaluation designs are discussed. It was concluded that researchers lack the methodological tools which would permit them to 'go beyond' simply reporting demographics, attitudes and opinions and making inferences into testing the relationships between institutional practices and subsequent behaviours.

Adolescent↗

Government participation in physician negotiations in German economic policy as applied to universal health care coverage in the United States.

Systems of universal health care coverage in western industrial societies have usually established some form of government participation in negotiations over physician payment as a means of controlling costs. In the Federal Republic of Germany, a mixed private and public body. Concerted Action in Health Care sets a 'target' for physician and 'sickness fund' negotiators. This indirect form of government participation is effective in 'linking' fees with utilization during negotiations, avoiding inflationary trends inherent in fee-for-service systems. This target-setting factor is a necessary complement to negotiation of a 'pool' of money, wage level and technological adjustment factors, as contained in a model of German economic health care policy. These four elements of economic policy are recommended as cost control measures for office-based physician payments under conditions of universal health care coverage in the United States. Indirect government participation through setting 'targets' for negotiations is seen as consistent with established American institutional practices.

Cost Control↗

Air cavity effects on the radiation dose to the larynx using Co-60, 6 MV, and 10 MV photon beams.

PURPOSE: To determine the perturbation effect in the surface layers of lesions located in the air-tumor tissue interface of larynx using 60Co, 6 MV, and 10 MV photon beams. METHODS AND MATERIALS: Thermoluminescent dosimeters (TLDs), were embedded at 16 measurement locations in slab no. 8 of a humanoid phantom and exposed to two lateral-opposed beams using standard small 7 x 7 cm fields. Similarly, radiographic and radiochromic films were placed between slabs no. 7 and no. 8 of the humanoid phantom and exposed to two lateral-opposed radiation beams. The dosimeters were irradiated with 60Co, 6 MV, and 10 MV photon beams. Computer tomography (CT) treatment planning without inhomogeneity correction was performed. RESULTS: At the tissue-air interface, the average measured percentage dose (% dosem) is about (108.7 +/- 4.8)% with TLD data, (96.8 +/- 2.5)% with radiographic film data, and (100.8 +/- 4.9)% with radiochromic film data. Similarly, in the central part of the cavity, the % dosem is (98.4 +/- 3.1)% with TLD data, (94.3 +/- 3.3)% with radiographic film data, and (91.7 +/- 5.0)% with radiochromic film data. Using the CT-based generated dose distribution (without inhomogeneity correction), the average calculated percentage dose (% dosec) is (98.7 +/- 1.0)% at the tissue-air interface and 98% in the central part of the air cavity. CONCLUSION: For the beam energies studied, the variation from the % dosem at the tissue-air interface for a given dosimetry technique is relatively small [< 5% (TLD), < 3% (radiographic), and < 5% (radiochromic)] and therefore should not be significant in clinical settings. The variation from the % dosem at the tissue-air interface is more significant for lower energies [8% (60Co), 7.3% (6 MV)]. This variation is about 4.3% for 10 MV photon beam, therefore, while our institutional practice favors lower energy (60Co to 6 MV) for node-negative glottic cancers, physical/dosimetric evidence offers no disadvantage to the use of higher energy photons.

Humans↗

Hard palate mucosal grafts in oculoplastic surgery: donor site lessons.

PURPOSE: Hard palate mucosal grafts have been used successfully in posterior lamellar reconstruction. Atypical surgical findings, techniques, and complications related to the hard palate donor site are reported herein. DESIGN: Interventional case series. METHODS: The medical records of five patients who were cared for in an institutional practice between 1987 and 2002 were retrospectively reviewed. All patients had unusual donor site findings discovered during or after hard palate mucosal grafting for eyelid or socket reconstruction. RESULTS: Seven eyelid reconstructions with hard palate grafts were performed on the five patients (three male, two female), with an age range of 14 to 73 years at surgery. Patients were followed for an average of 6 years (range: 9 months to 11 years). Unusual hard palate findings during surgery or the postoperative period included hard palate and maxillary sinus malignancy, torus palatinus, and persistent donor site bleeding that provoked gastric variceal bleeding in a patient with preexisting liver disease. Atypical surgical techniques included both inadvertent and intentional harvesting of hard palate tissue over the midline palatine raphe. CONCLUSION: Hard palate grafting is a successful and commonly practiced approach to eyelid and socket reconstruction. An awareness of unusual anatomic findings or techniques associated with the hard palate donor site may improve surgical outcomes and decrease patient morbidity.

Adolescent↗

Diagnosis of macular pseudoholes and lamellar macular holes by optical coherence tomography.

PURPOSE: To assess the usefulness of optical coherence tomography (OCT) for better differential diagnosis of macular pseudoholes (MPH) and lamellar macular holes (LMH). DESIGN: Observational case series. METHODS: setting: Institutional practice. patients: We reviewed the files of 71 eyes of 70 consecutive patients who were diagnosed as having a pseudohole or lamellar hole on OCT examination. All patients referred for suspected pseudohole or lamellar hole on biomicroscopy were evaluated by OCT. main outcome measures: Each eye underwent six radial 3-mm OCT scans centered on the macula, one 6-mm vertical and one 6-mm horizontal scan. Retinal thickness was measured at the foveal center and 750 microm from the center, vertically, and horizontally. The diameter of the macular contour was also measured on vertical and horizontal scans. RESULTS: In 40 cases, OCT showed a macular profile characteristic of MPH: a steepened foveal pit combined with thickened foveal edges and a small foveal pit diameter. Central foveal thickness was normal or slightly increased (167 +/- 42 microm). Mean perifoveal thickness was greater than normal (363 +/- 65 microm). In 29 other cases corresponding to LMH, OCT showed a profile characterized by a thin irregular foveal floor, split foveal edges, and near-normal perifoveal retinal thickness. Central foveolar thickness was thinner than normal (72 +/- 19 microm). Mean perifoveal thickness was near normal (283 +/- 36). Optical coherence tomography did not allow the classification of the remaining two cases. CONCLUSIONS: Optical coherence tomography is very useful in distinguishing MPH attributable to epiretinal membrane contraction from LMH because of partial opening of a macular cyst.

Adolescent↗

Optical coherence tomography assessment of the vitreoretinal relationship in diabetic macular edema.

PURPOSE: To study the vitreoretinal relationship in diabetic patients with and without diabetic macular edema (DME) using optical coherence tomography. DESIGN: Retrospective case-control study. METHODS: setting: Institutional practice. patients: Thirty-five consecutive diabetic patients (49 eyes) with DME and 35 sex- and age-matched diabetic control patients without DME (49 eyes). observation procedure: All patients had Early Treatment Diabetic Retinopathy Study visual acuity measurement and biomicroscopic examination of the vitreoretinal interface. OCT was performed to obtain cross-sectional images of the vitreoretinal interface of the macular region. Posterior vitreous detachment (PVD) was staged from 0 to 3 as follows: stage 0: absence of PVD; stage 1: perifoveolar PVD with foveolar attachment; stage 2: incomplete PVD with residual attachment to the optic nerve; and stage 3: complete PVD. Retinal thickness was measured using OCT mapping software in all cases. main outcome measures: Prevalence of the different PVD stages in both groups of eyes. RESULTS: The mean age of the patients was 60 years in both groups. Of the eyes with macular edema, 19 (38.8%) were stage 0, 26 (53.0%) stage 1, 1 (2.0%) was stage 2, and 3 (6.2%) were stage 3. In eyes without DME, the corresponding figures were, respectively, 34 (69.4%), 11 (22.4%), 1 (2.0%), and 3 (6.2%). The prevalence of perifoveolar PVD with foveolar attachment was significantly higher in the group of eyes with DME (P =.006). CONCLUSIONS: These results show the high prevalence of perifoveolar PVD with foveolar attachment in diabetic patients with macular edema. Even though PVD is not the main factor involved in the pathogenesis of DME, perifoveolar PVD may have a role in the development of this complication.

Adult↗

A prospective randomized clinical trial of laser in situ keratomileusis with two different lasers.

PURPOSE: To compare optical quality, visual function, corneal shape, ocular wavefront aberrations, and patient-reported symptoms and satisfaction after laser in situ keratomileusis (LASIK) with two different excimer lasers. DESIGN: Prospective randomized clinical trial. METHODS: In an institutional practice setting, 60 eyes of 30 patients with low to moderate myopia were randomized to receive LASIK in one eye with the Technolas 217A; the other eye was treated with the VISX S3. Patients were followed for 6 months after surgery. The primary outcome measure was best spectacle-corrected visual acuity. RESULTS: At 6 months, the mean best-spectacle corrected high contrast visual acuity was similar between the two treatment groups: mean difference (95% confidence interval) was -0.01 logarithm of minimal angle of resolution (logMAR) (-0.03 to +0.01 logMAR). Uncorrected visual acuity differences were also not significant. The difference in residual spherical equivalent subjective refractive error between treatment groups was -0.15 diopter (-0.34 to +0.05 diopter). Spherical aberration increased in both groups after treatment, and the change in root mean square (RMS) ocular wavefront error was greater in the VISX group by +0.07 microm (+0.03 to +0.11 microm). After LASIK, corneal curvature was steeper in the midperipheral region among VISX-treated eyes by +1.39 diopters (+2.06 to +0.72 diopters). There were no patient-reported differences in satisfaction between eyes. CONCLUSIONS: There were no significant differences in visual acuity or refractive outcomes attributed to either laser under any of the conditions measured. There was also no significant difference in patient-reported symptoms, satisfaction with treatment, or eye preference associated with either laser. Additional study is needed to establish the importance of differences in higher-order optical aberrations and corneal shape that we observed in these two treatment groups.

Adult↗

Imaging polarimetry in central serous chorioretinopathy.

PURPOSE: To evaluate a noninvasive technique to detect the leakage point of central serous chorioretinopathy (CSR), using a polarimetry method. DESIGN: Prospective cohort study. METHODS SETTING: Institutional practice. PATIENTS: We examined 30 eyes of 30 patients with CSR. MAIN OUTCOME MEASURES: Polarimetry images were recorded using the GDx-N (Laser Diagnostic Technologies). We computed four images that differed in their polarization content: a depolarized light image, an average reflectance image, a parallel polarized light image, and a birefringence image. Each polarimetry image was compared with abnormalities seen on fluorescein angiography. RESULTS: In all eyes, leakage area could be clearly visualized as a bright area in the depolarized light images. Michelson contrasts for the leakage areas were 0.58 +/- 0.28 in the depolarized light images, 0.17 +/- 0.11 in the average reflectance images, 0.09 +/- 0.09 in the parallel polarized light images, and 0.11 +/- 0.21 in the birefringence images from the same raw data. Michelson contrasts in depolarized light images were significantly higher than for the other three images (P < .0001, for all tests, paired t test). The fluid accumulated in the retina was well-visualized in the average and parallel polarized light images. CONCLUSIONS: Polarization-sensitive imaging could readily localize the leakage point and area of fluid in CSR. This may assist with the rapid, noninvasive assessment of CSR.

Adult↗

Ophthalmologic findings and long-term course in patients with neurofibromatosis type 2.

PURPOSE: To evaluate ophthalmologic findings and long-term course in patients with neurofibromatosis type 2 (NF2). DESIGN: Retrospective observational case series. METHODS SETTING: Single-center institutional practice. STUDY POPULATION: Thirty referred patients with NF2 were enrolled from 1991 to 2003 and underwent at least one thorough neuroophthalmologic examination. Follow-up of 23 patients ranged from 4.3 to 12.5 years. MAIN OUTCOME MEASURES: Visual function, structural ocular abnormalities, onset and type of presenting NF2-related symptoms, and number of central nervous system tumors. RESULTS: Initial symptoms for patients with early-onset NF2 mostly comprised ophthalmologic symptoms (n = 7) and lower motor neuron extremity weakness (n = 6), as opposed to eighth nerve impairment (n = 11) in late disease onset. NF2-specific ocular findings were noted in 83% of all patients (94% childhood onset; 67% adult onset): 67% had cataracts, 40% epiretinal membranes, 3% hamartoma, 13% disk gliomas, and 27% optic nerve sheath meningiomas. Only 14% in the childhood-onset group-as opposed to 78% in the adult-onset group-sustained visual acuity of 1.0 in both eyes at final examination. Significantly more patients with early onset of symptoms developed multiple central nervous system tumors (P = .004) and showed a higher amount of NF2-specific findings (P = .015). CONCLUSIONS: Initial manifestations of NF2 differ between children and adults. NF2-specific ophthalmologic findings can help establish the diagnosis. Symptom onset at a young age is clearly a risk factor for marked disease progression. These patients should be carefully followed because survival rates have increased, and vision becomes increasingly important as the disease progresses.

Adolescent↗

Iris-supported phakic lenses (rigid vs foldable version) for treating moderately high myopia: randomized paired eye comparison.

PURPOSE: To compare refractive performance of Artisan (Ophtec, Groningen, The Netherlands) or Verisyse phakic intraocular lens and its foldable version, Artiflex (Ophtec), for the correction of moderately high myopia. DESIGN: Randomized pilot study. METHODS: setting: Institutional practice. patient population: Thirty-one patients with myopia that ranged from -6 to -14 diopters (D). interventional procedure: One eye was implanted with an Artisan phakic intraocular lens (PIOL) and the other with an Artiflex PIOLs. main outcome measures: Primary outcome measure was the percentage of eyes with uncorrected visual acuity (UCVA) of >20/40 at one year after the operation. Main secondary outcome measures were the safety index, the change of two lines or more of best spectacle-corrected visual acuity (BSCVA) and the endothelial cell count. RESULTS: No intraoperative complications were noticed. One year after surgery, the percentage of eyes with UCVA of >20/40 was 51.6% (16/31 patients) for Artisan-treated eyes and 77.4% (24/31 patients) for Artiflex-treated eyes (P = .033). One month after surgery, this same percentage was 42.9% (13/31 patients) and 77.4% (24/31 patients), respectively (P = .004). The safety index at one year was 1.13 +/- 0.24 for Artisan-treated eyes and 1.12 +/- 0.21 for Artiflex-treated eyes, which is a difference that was not statistically significant (P = 0.742). At one year after surgery, the changes of two lines or more of BSCVA and the endothelial cell loss were similar for both groups. CONCLUSION: To correct moderately high myopia, the Artiflex lens provides a faster visual recovery and a better UCVA than does the Artisan lens. The safety of the lens should be supported by an enlarged sample size and a longer follow-up period.

Adult↗

Prospective randomized study comparing cryo-assisted and needle-wire localization of ultrasound-visible breast tumors.

BACKGROUND: This study compared the surgical results of 2 localization methods-cryo-assisted localization (CAL) and needle-wire localization (NWL)-in patients undergoing breast lumpectomy for breast cancer. METHODS: A total of 310 patients were treated in an institutional review board-approved study with 18 surgeons at 17 sites. Patients were randomized 2:1 to undergo either intraoperative CAL or NWL. A cryoprobe was inserted under ultrasound guidance in the operating room and an ice ball created an 8- to 10-mm margin around the lesion. The palpable ice ball then was dissected. NWL was placed according to institutional practice and resection was performed in a standard fashion. Surgical margins, complications, re-excisions, tissue volume, procedure times, ease of localization, specimen quality, and patient satisfaction were evaluated. Positive margins were defined as any type of disease present 1 mm or less from any specimen edge. RESULTS: Positive margin status did not differ between the 2 groups (28% vs. 31%). The volume of tissue removed was significantly less in the CAL group (49 vs. 66 mL, P = .002). Re-excisions were similar in both groups. CAL was superior in ease of lumpectomy, quality of specimen, acute surgical cosmesis, short-term cosmesis, patient satisfaction, and overall procedure time for the patient. CAL had a lower invasive positive margin rate (11% vs. 20%, P = .039) but a higher observed ductal carcinoma in situ-positive margin rate (30% vs. 18%, approaching statistical significance, P = .052). CONCLUSIONS: CAL is a preferred alternative to standard wire localization because it provides a palpable template, removes less tissue and improves cosmesis, decreases overall procedure time, and is more convenient for the patient and surgeon.

Breast Neoplasms↗

Get up and go test in patients with knee osteoarthritis.

OBJECTIVE: To determine the reliability, minimum detectable change (MDC), and validity of the Get Up and Go (GUG) test. DESIGN: Repeated-measures test-retest for reliability. Correlational study for validity. SETTING: Institutional practice. PARTICIPANTS: Convenience sample of 130 people, 105 with knee osteoarthritis (OA) (80 women; mean age, 62+/-9 y) and 25 healthy controls (21 women; mean age, 57+/-8 y). INTERVENTIONS: Not applicable. Main outcome measures Western Ontario and McMaster Universities Osteoarthritis Index, the Activity of Daily Living Scale of the Knee Outcome Survey, and the 8 scales of the Medical Outcomes Study 36-Item Short-Form Health Survey. RESULTS: Intratester and intertester reliability was.95 (95% confidence interval [CI],.72-.98) and.98 (95% CI,.94-.99), respectively. The MDC, based on measurements by a single tester and between testers, was 1.5 and 1.2 seconds, respectively. Time to perform the GUG test was longer for persons with knee OA than it was for the controls (mean difference, 3.3s; 95% CI, 1.8-4.9). Correlations between the GUG test and measures of physical function did not differ significantly from correlations between the GUG test and measures that do not specifically evaluate physical function. CONCLUSIONS: The GUG test is reliable and has an MDC that is adequate for clinical use. Validity of the GUG test as a single measure of physical function was not supported. Further research should include testing a battery of performance-based measures of physical function.

Case-Control Studies↗

Effect of hylan G-F 20 in Achilles' tendonitis: an experimental study in rats.

OBJECTIVE: To investigate the local effects of hylan G-F 20 on locally administered corticosteroid-induced experimental Achilles' tendonitis. DESIGN: Before-after trial. SETTING: Institutional practice. ANIMALS: Convenience sample of 18 male Wistar white rats (weight range, 322-375 g). INTERVENTIONS: After performing Achilles' degeneration with local corticosteroid injections, the rats were divided into 4 groups. The right Achilles' tendon of the rats served as the hylan injection group and the left tendon as the control group, which was injected with saline at 5-day intervals. The tendons and paratenons were excised at the end of 60 or 75 days and evaluated histopathologically and statistically. MAIN OUTCOME MEASURE: Histopathologic changes, including staining affinity, nuclear appearance, fibrillar appearance for tendon and thickness, occurrence of fibrosis and edema, capillary changes, and inflammation for paratenon, were assessed according to a semiquantitative scoring system. The Mann-Whitney U test was used for statistical analysis, with a P value of.05 or less considered statistically significant. RESULTS: Semiquantitative scoring of histopathologic changes showed that histologic appearances differed between the hylan and saline groups and between 2 hylan groups. Hylan-injected tendons and paratenons demonstrated significantly lower scores, especially after 75 days. CONCLUSIONS: Hylan G-F 20 has a promising curative effect on the tendon and paratenon and can be used in Achilles' tendonitis. This finding should be supported by biomechanical and biochemical studies.

Achilles Tendon↗

Rapid opening and closing of the hand as a measure of early neurologic recovery in the upper extremity after surgery for cervical spondylotic myelopathy.

OBJECTIVE: To compare the results of a simple bedside test with the Jebsen-Taylor hand function test, in the assessment of early improvement of neurologic function after surgery for cervical spondylotic myelopathy (CSM). DESIGN: Case series comparing the bedside test with the Jebsen-Taylor test of hand function as the criterion standard in a blinded comparison. SETTING: Referral center, institutional practice, hospitalized care. PARTICIPANTS: One hundred referent subjects and 26 consecutive patients undergoing surgery for CSM. INTERVENTION: Decompressive cervical spine surgery. Main outcome measures Complete, rapid opening and closing of the hand was timed for 20, 40, and 60 repetitions, the Rapid Hand Flick Time (RHFT), preoperatively and in the first week postoperatively. The results of this test were correlated with the Jebsen-Taylor test. RESULTS: There was a 40% to 50% prolongation in the RHFT compared with age-matched referent subjects. Postoperatively, there was a 3.84-second mean improvement in the RHFT for 20 repetitions in the right hand and 2.8 seconds in the left hand. A paired-samples t test, comparing the preoperative and postoperative day 1 and day 7 timings, showed a statistically significant improvement (P<.001). There was no significant change from postoperative day 1 to day 7. In the Jebsen-Taylor test, patients showed a significant postoperative improvement (P<.01) in the writing test, in simulated feeding, and in transfer of small objects in both hands. Pearson correlation coefficient testing for correlation between the RHFT and the Jebsen-Taylor subtests were low, which indicates that, although they both record an improvement after surgery, they probably do not test the same aspects of hand function. CONCLUSIONS: The RHFT is a simple and reliable method of assessing early improvement in hand function and spasticity in patients after surgery for CSM.

Adult↗

Correlation among physical impairments, pain, disability, and patient satisfaction in patients with chronic neck pain.

OBJECTIVE: To investigate the correlations among pain, physical impairments, disability, and patient satisfaction in patients with chronic neck pain. DESIGN: A longitudinal cohort study with 6-month follow-up. SETTING: Institutional practice. PARTICIPANTS: Subjects (N=218) with chronic neck pain. INTERVENTIONS: Subjects were treated with different physiotherapy modalities. MAIN OUTCOME MEASURES: Data were obtained for self-reported disability, verbal numeric pain scale, patient satisfaction, and 2 measures of physical impairments during the initial visit, at 6 weeks, and finally at 6 months. RESULTS: The correlation among 4 sets of measurements varied. Moderate correlation was noted between disability and patient satisfaction ( r range, .50-.65), and between disability and pain ( r range, .55-.63). A fair relationship was found between pain and patient satisfaction ( r range, .43-.48), but only weak relationships were found between physical impairments and pain ( r range, -.08 to -.25). The correlations tended to increase in the follow-up assessments. CONCLUSIONS: No strong correlations were found among disability, patient satisfaction, pain, and physical impairments although the correlations tended to increase in the follow-up assessments. The findings support the suggestion that clinicians should address as many relevant aspects of a presenting clinical entity as possible in the management of chronic neck pain.

Adult↗

The effect of custom-made braces for the ankle and hindfoot on ankle and foot kinematics and ground reaction forces.

OBJECTIVE: To assess the effects on gait of custom-made polypropylene orthoses: ankle-foot orthosis (AFO), rigid hindfoot orthosis (HFO-R), and articulated hindfoot orthosis (HFO-A). DESIGN: Experimental assessment. SETTING: Institutional practice, motion analysis laboratory. PARTICIPANTS: Twenty asymptomatic normative subjects. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Three-dimensional kinematics, ground reaction force, and time-related factors in 4 conditions: shoe only, and shod with the AFO, HFO-R, and HFO-A. RESULTS: The AFO and HFO-R limited sagittal and coronal plane ankle-hindfoot motion. The HFO-A limited hindfoot coronal motion while allowing normal sagittal motion. At the midfoot, the AFO and HFO-A limited transverse motion, but the HFO-A also limited sagittal and coronal motion. Use of the HFO-R resulted in exaggerated midfoot sagittal and coronal motion. Braces that limited motion to a greater degree were associated with more atypical kinetic variables, indicative of less dynamic gait. The HFO-A resulted in ground reaction forces most similar to unbraced conditions. CONCLUSIONS: Alteration in gait was affected by orthosis design. Orthoses with a rigid component crossing a joint restricted motion at that joint, but potentially compromised typical gait kinetic factors. For immobilizing the hindfoot, the HFO-A may be more comfortable and still provide more stability than the HFO-R or AFO.

Adult↗