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Biomedical subjects

G T Patterson

Publications and source records attributed to G T Patterson.

At least 19 recordsLinked to original sources
PubMed2000

Demographic factors as predictors of coping strategies among police officers.

This study examined the effects of demographic factors on coping responses among police officers. A sample of 233 police officers completed the Ways of Coping Questionnaire (Folkman & Lazarus, 1988). The regression analysis showed that the higher the reported educational attainment, the more police officers reported coping which was emotion-focused and seeking social support. The rank of the officer was directly related to reported emotion-focused coping. These results are discussed relative to research on the relations of demographic factors and coping responses among police officers.

Adaptation, Psychological↗
PubMed1995

Geometric evaluation of mandibular distraction.

In planning mandibular distraction, the deficiency of the vertical ramus and body is measured. The position of the pin placement is evaluated by the following formula: [formula: see text] This is more accurately presented by the new formula. [formula: see text] In one patient the original formula evaluated the pin placement angle to be 9.94, compared with 9.92, in the more accurate but more complex new formula. When the gonial angle is obtuse, the difference is small. When the gonial angle is more acute, as in a normal gonial angle for a 2-year-old child--134 degrees--the difference is still only 0.1 degree. The original formula is simpler to use and is accurate enough for clinical use in mandibular distraction. The distraction distance is not the sum of the vertical ramal deficiency plus the body deficiency but is given by the following formula: [formula: see text] It would be accurate enough to plan the total distraction distance to be less than the sum of the two distances. The more acute the gonial angle is, the less the distraction distance will need to be.

Adolescent↗
PubMed1995

Planning mandibular distraction: preliminary report.

Normal lengths of the vertical ramus, body, and angle of the mandible at different ages are presented. Before mandibular distraction is embarked on, the extent of the deficiency of the mandible is assessed. The length of the vertical ramus and body are measured on cephalometric radiographs or three-dimensional computed tomography (3D CT) scans. Deficiency of the length of the mandible is calculated. The position of the pin placement angle (from the horizontal ramus) is calculated by means of the following formula: 180 degrees minus mandibular angle times vertical ramus deficiency divided by total deficiency. Placing the pins correctly will result in correction of the vertical ramus and body deficiency of the mandible and the excessively obtuse angle of the mandible will become more acute.

Bone Lengthening↗
PubMed1994

Peripheral trigeminal nerve surgery for patients with atypical facial pain.

Atypical facial pain (AFP) is characterized by a constant, poorly defined anatomically aching pain, lacking the paroxysmal quality, trigger point activation, and well-defined anatomical distribution of trigeminal neuralgia. This study examines a set of AFP patients with respect to their responses to external decompression (4 patients) and neurectomy (11 patients). Criteria for trigeminal nerve exploration were: failure of non-operative treatments, the ability to control pain temporarily with local anesthetic nerve blocks, and pain generally located within the anatomical distribution of the affected nerve. Decision as whether to perform an external decompression or neurectomy was based on gross anatomical findings during exploration. A retrospective interview was conducted to evaluate the effects of the chosen procedure in regard to subjective level of pain, freedom from restrictions placed on activities of daily living, and past medical history, including history of the facial pain. The neurectomy procedure (p = 0.022), medical history of autoimmune disease (p = 0.004), and preoperative pain distribution on the left side (p = 0.042), were all found to have a positive effect on outcome. History of psychiatric treatment (p = 0.055) and preoperative affected activities of daily living (p = 0.026) significantly adversely affected the outcome.

Activities of Daily Living↗
PubMed1992

Idiopathic trigeminal neuralgia complicated by lingual nerve dysesthesia.

The treatment of facial pain disorders has become a multifaceted discipline that involves numerous scientific fields. Diagnostic and treatment modalities may be beneficial to the patient but at times may also complicate the problem and compromise the outcome. We present an interesting case of left trigeminal neuralgia complicated by unassociated lingual nerve dysesthesia.

Cranial Nerve Diseases↗
PubMed1992

Lateral canthotomy transconjunctival approach to the orbit.

Multiple surgical approaches to the orbits with the use of the eyelids have been used. The orbital rim incision fell into disfavor because of esthetic considerations. A subciliary approach supplemented by the lateral brow incision is currently the most popular method of approach to the orbital rim. It provides adequate access to the orbit, but it is not without inherent complications, such as unfavorable scarring, ectropion, and entropion. This article describes an alternate approach to the orbit by means of a transconjunctival incision with lateral canthotomy.

Bone Plates↗
PubMed1991

Technical innovation: transfacial approach for infraorbital nerve exploration and orbital-maxillary surgery.

A transfacial approach for infraorbital nerve exploration and maxillary surgery has been developed, allowing for good visual access as far posteriorly as the foramen rotundum and anterior maxillary region. This allows for infraorbital osteotomies, peripheral nerve grafting, neurolysis procedures, or combined maxillofacial-neurosurgical procedures with gasserian ganglion exploration and/or grafting. The procedure affords maximum surgical accessibility with good postoperative healing and minimal concerns about potential oral contamination.

Bone Transplantation↗
PubMed1991

Maxillofacial considerations in orthotopic liver transplantation.

Orthotopic liver transplantation is now a widely used treatment for patients with end-stage liver disease. Lifelong pharmacologic immunosuppression renders these patients susceptible to many infections. The purpose of this article is to provide guidelines for treating the patient with end-stage liver disease, both before and after transplantation. In addition, we shall discuss some of the medical implications associated with end-stage liver disease and their clinical presentations and appropriate presurgical management. Adverse side effects of long-term immunosuppression and their effect on the oral and maxillofacial region shall also be discussed. Last, a brief discussion of FK506, the latest immunosuppressant, will be presented together with the implications of its use on our surgical treatment of these patients.

Anti-Bacterial Agents↗