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At least 307 records · Page 17Linked to original sources

PubMed1999

Bites by the colubrid snake Philodryas olfersii: a clinical and epidemiological study of 43 cases.

Less than 10 cases of bites by Philodryas olfersii (Colubridae) have been reported in the literature. In this study, 43 patients admitted to the Instituto Butantan, São Paulo, Brazil, with the diagnosis of P. olfersii bite from 1982 to 1990 were reviewed. The 32 male (74.4%) and 11 female (25.6%) patients presented mainly from November to February (65%). The most common clinical features were local pain (37.2%), swelling (34.9%), erythema (18.6%) and ecchymosis (9.3%). The 20 minute whole blood clotting test was performed in 11 patients and in all of them the blood was coagulable. Most of the accidents occurred during the hottest months and during daylight hours. The most common bite site was the hands. Severe envenoming is not frequent in these accidents.

Adolescent↗

PubMed2002

Traumatic encephalocele related to orbital roof fractures: report of six cases and literature review.

BACKGROUND: Orbital roof fractures after blunt injury are rare. Traumatic encephaloceles in the orbital cavity are even rarer, with only 15 cases published to date. METHODS: The clinical, radiological, and surgical findings of 6 cases of traumatic encephalocele treated at our institution from June 1998 to January 2000 are presented. They are also compared with previously published series. RESULTS: In contrast to other published cases, 5 out of 6 patients in our series were adults. The most common cause of trauma was road traffic accident. Ecchymosis and preoperative exophthalmos/proptosis were frequent. In all of our patients a coronal CT scan (3 mm increments with bone windows) was obtained. It demonstrated the extension of the orbital roof fractures and a possible encephalocele in 4 cases. Associated frontal brain contusions were seen in 5 cases. An MRI was performed in 3 patients (and only in 2 previously published cases); it showed the extension of the brain herniation into the orbital cavity. Surgical treatment via a fronto-basal approach with evacuation of the contused herniated brain tissue and orbital roof reconstruction was performed. The outcome at 6 months was good recovery in five patients with one patient still in a persistent vegetative state. Postoperatively the ocular disturbances improved in 5 cases. A review of the other published cases confirmed recovery of normal ocular function in the vast majority of the cases. CONCLUSIONS: Whenever orbital roof fractures associated with frontal contusions are identified in an acute brain injured patient, an orbital encephalocele should be suspected. In our opinion MRI is the investigation of choice in such patients. If the encephalocele is confirmed, a surgical approach via the subfrontal route is indicated with resection of herniated contused brain tissue, dural closure, and orbital roof reconstruction. Good results in regard to the orbital symptoms (mainly exophthalmos) can be expected.

Adult↗

PubMed2003

Allergic asthma and an anti-CD23 mAb (IDEC-152): results of a phase I, single-dose, dose-escalating clinical trial.

BACKGROUND: CD23, a cell-surface molecule, is involved in a variety of pathways likely to influence IgE production and inflammation in allergic disorders, such as allergic rhinitis and allergic asthma. OBJECTIVE: This study investigated the safety, clinical activity, and pharmacokinetic profile of IDEC-152, an IgG1 anti-CD23 antibody, in patients with mild-to-moderate persistent allergic asthma. METHODS: This single-dose, dose-escalating, placebo-controlled study involved 30 patients. Cohorts of 3 to 6 patients received single intravenous infusions of either placebo or IDEC-152 (0.05, 0.25, 1.0, 4.0, 10.0, or 15.0 mg/kg) on study day 1. Safety, clinical activity, and pharmacokinetics were assessed for 12 weeks after treatment. RESULTS: IDEC-152 was well tolerated. Adverse events (AEs) were mild, no grade 4 or serious AEs were reported, and no relationships were apparent between the dose of IDEC-152 and the frequency, severity, or type of event. The most common AEs in the IDEC-152 group included ecchymosis at the injection site, sinusitis, headache, arthralgia, cold syndrome, infection, throat irritation, and dysmenorrhea. Commonly reported AEs in the placebo group included headache, abdominal pain, and infection. Sustained and dose-dependent decreases in mean IgE concentrations were noted. The mean maximum concentration and area under the curve of IDEC-152 were proportional to the dose administered for the dose range 4.0 to 15.0 mg/kg. The serum half-life of the IDEC-152 antibody increased from 2 to 10 days with increasing doses. After single-dose administration of IDEC-152, no dose-dependent change in FEV(1) was observed, and most changes in peak expiratory flow rate were within 10% of baseline values. CONCLUSION: These data suggest that IDEC-152 is safe and has the potential for clinical activity in allergic asthma.

Adult↗

PubMed1984

Ocular involvement in neuroblastoma: prognostic implications.

Neuroblastoma is one of the commonest childhood malignancies. The most important prognostic factor is age at diagnosis; early diagnosis, when the tumor is still localized and surgically resectable, is second in importance. On retrospective review of children seen at the Hospital for Sick Children, ophthalmic involvement was seen in 80 of 405 (20%). The three major eye signs of neuroblastoma, proptosis, Horner's syndrome and opsoclonus, are closely related to the site, stage of tumor, and outcome of the patient. Proptosis or periorbital ecchymosis due to orbital metastases was present in 60 of 80 children (bilaterally in 33). The 3-year survival rate was 11.2%. In 53 of 60 cases with orbital metastases the neuroblastoma originated in the abdomen. Unilateral Horner's syndrome occurred in 14 children, as the presenting sign in 9, related to localized disease in 11 and in a favorable location (cervical or thoracic neuroblastoma) in 8. The 3-year survival rate was 78.6%. Opsoclonus-myoclonus was the presenting sign of occult, localized neuroblastoma in all 9 children in whom it occurred. The 3-year survival rate was 100%. For all presentations, girls had a significantly better survival rate than boys (48.7% vs. 22.4%). Children presenting with any of these ophthalmological signs should undergo thorough and repeated investigations searching for neuroblastoma.

Child, Preschool↗

PubMed1984

Carbon dioxide laser blepharoplasty.

An experience utilizing the carbon dioxide laser for blepharoplasty in a series of 40 patients with an average follow-up of 16 months is reported. The advantages of this method include improved control of intraoperative hemorrhage which occurs because the laser cauterizes small vessels as it cuts tissues. Postoperative ecchymosis and edema are minimal and early rehabilitation occurs. Complications and technical disadvantages are discussed, concluding that the carbon dioxide laser offers a safe alternative with some distinct intraoperative and postoperative advantages to conventional blepharoplasty surgery.

Blepharoptosis↗

PubMed1996

Orbital lesions in the blue rubber bleb nevus syndrome.

PURPOSE: To identify ophthalmologic manifestations of the blue rubber bleb nevus syndrome, a rare cutaneovisceral hemangiomatosis. METHODS: The authors report two patients with a diagnosis of blue rubber bleb nevus syndrome with orbital hemangiomas. RESULTS: In one patient, the orbital lesion presented with signs and symptoms similar to an orbital varix and in the other with lid ecchymosis from an eyelid lesion. CONCLUSION: Patients with the blue rubber bleb nevus syndrome may have vascular orbital lesions associated with intermittent proptosis. Ophthalmologists should be familiar with the syndrome and its life-threatening complication of gastrointestinal hemorrhage.

Adult↗

PubMed1998

Necrotizing fasciitis caused by Vibrio vulnificus differs from that caused by streptococcal infection.

We reviewed the clinical record of all patients admitted to Saga Medical School Hospital during the most recent 10 years and found that 17 (0.03%) were diagnosed as having necrotizing fasciitis. Bacteriological examination demonstrated that Vibrio vulnificus was the pathogen responsible in five patients (29%). The disease caused by V. vulnificus occurred in the warmer half of the year. All of the patients had underlying chronic liver dysfunction, and three of them had previously consumed raw seafood. In these patients, the predominant skin lesions were oedema and subcutaneous bleeding, such as ecchymosis and purpura, while superficial necrosis was not recognized. Three patients died of systemic complications. By contrast, all of the five patients with necrotizing fasciitis caused by Streptococcus pyogenes had the disorder in winter, and only one of them had chronic liver dysfunction. In skin lesions, subcutaneous bleeding was rare but necrosis was seen often. Despite the high incidence of systemic complications, no patients with streptococcal necrotizing fasciitis died. These findings suggest that the clinical features of necrotizing fasciitis caused by V. vulnificus are different from those of necrotizing fasciitis caused by classical pathogens, and that the two should be differentiated as early as possible to improve the prognosis.

Adolescent↗

PubMed1986

Indications for retrograde cystourethrography in trauma.

Injuries to the lower genitourinary tract may occur with penetrating or severe blunt lower abdominal trauma. Commonly associated findings are pelvic fractures and gross hematuria or a bloody urethral discharge. Retrograde cystourethrography should be performed in all cases of penetrating trauma when lower genitourinary tract injury is suspected. We recommend retrograde urethrography in male patients with a pelvic fracture or significant lower abdominal or perineal trauma without a fracture when associated with gross hematuria, a bloody urethral discharge, inability to void, swelling, ecchymosis or hematoma of the perineum or penis, or a "high-riding" or boggy prostate. Cystography should follow urethrography after a urethral injury has been excluded.

Emergencies↗

PubMed1994

Human envenomation from a wandering garter snake.

Garter snake bites are generally innocuous to human beings. We report a case of human envenomation from the Wandering Garter snake (Thamnophis elegans vagrans). The patient, who was bitten on his right third fingertip, rapidly developed local edema, ecchymosis, and hemorrhagic vesicles. Systemic signs and symptoms did not develop. The clinical picture was similar to that in three previous patients with Thamnophis envenomation in that clinical signs followed a prolonged bite. Thamnophis species have Duvernoy's glands, which may be analogous to venom glands in Crotalidae (pit viper) species. The progressive local effects produced by secretions of these glands may be confused with early Crotalidae envenomation.

Adolescent↗

PubMed1995

Warfarin sodium-induced skin necrosis.

Skin necrosis is a rare complication of treatment with coumarin derivatives. Since it was first identified by Verhagen in 1952, approximately 200 cases of skin necrosis have been reported worldwide, but only 73 have been reported in the English language literature. A telltale clinical scenario of pain and petechiae progressing to sharply demarcated ecchymosis, bullae formation, and gangrenous necrosis manifests most often in the adipose tissues of middle-aged women. Necrosis usually appears within 3 to 6 days of the initiation of warfarin sodium therapy. We report a case of cutaneous necrosis that began 46 days after warfarin sodium therapy was begun.

Adipose Tissue↗

PubMedDate not supplied

Temporal bone pathology in drowning.

The temporal bones of a 2-year-old child who had drowned were examined histopathologically. The abnormalities were limited to the submucosa and lumen of the tympanomastoid space. Abnormalities included severe edema, vascular congestion, and focal ecchymosis without inflammation in the submucosa and hemorrhage into the tympanomastoid air space. To determine the incidence of tympanomastoid hemorrhage in autopsy material, 258 temporal bones were reviewed, and 11 were found to have free blood in the tympanomastoid space. When specimens from victims of skull fractures, cerebrovascular accidents, and leukemia were excluded from the 11, the only specimen remaining was found to be that from a drowning victim. Tympanomastoid hemorrhage in the absence of otitis media, head trauma, cerebrovascular accident, or a bleeding diathesis appears to be strong supporting evidence for death by drowning.

Child, Preschool↗

PubMed2004

[Vasectomy: study of 300 interventions. Review of the national literature and of its complications].

OBJECTIVES: The aims of this paper are: 1. To study the demand and reasons why of the vasectomy in area 12 of Valencian Community. 2. To analyse the adverse effects of our series and the predictable risk factors. 3. To review the adverse effects in the national series. 4. To review the adverse effects referred to in international publications. PATIENTS AND METHODS: A retrospective study was made of 300 patients who had submitted themselves to a vasectomy between january 1992 and december 2000. All the clinical dossiers were reviewed according to 10 pre-established variables. age, number of offspring, reasons why, pre-vasectomy anticontraceptives; date of operation, type of anaesthesia used, pathologic anatomy, semen analysis after vasectomy, adverse effects and their possible causes (risk factors). The basic statistic study was done using a data base of Microsoft Access and the interpretations of the different variables using a table of Excel. RESULTS: The demand for contraceptive attention (vasectomy) is the 8th cause for external urological consulting and the 4th for urological local ambulatory surgery of our area. 300 operations were done during that period. The average age of the patients was 37.5 years old (ranging from 25 to 51). The number of offspring ranged from 1 to 7, with a promedia of 2.41 children/patient. The reasons why were: voluntary family planning (86%), medical illnesses of the female which contraindicated gestation (9%), genetic reasons (4.33%) and social-sanitary problems (0.66%). Contraceptive methods used by 71.63% are known: The widest-used method being IUD (49.74%) and the preservative (25.88%). 30 patients (10%) had adverse effects, 29 patients having light adverse effects. The most frequent were: 12 orchiepididymitis (4%), 5 spermatic granulomas (1.66%), 3 chronic scrotal pain (1%), 2 scrotal haematoma (0.66%) and 2 bleeding (0.66%). There was one serious complications and of all the cases mentioned above only one needed hospitalization (impetigo-sepsis) and another needed surgery due to a spermatic granuloma. There were no pregnancies or post-vasectomy court cases. 81% of the patients had been declared azoospermic within 45 to 60 days after the vasectomy in one or two consecutive semen analysis. CONCLUSIONS: The vasectomy is a safe and simple way for male sterilization. It's the most widely done urologic operation in Spain. The technique isn't extent of adverse effects (0 to 18%) and its seriousness varies from a simple ecchymosis to Fournier's gangrene, endocarditis or sepsis. A doctor would be considered negligent if he/she didn't inform the patient about the remote possibility of a spontaneous recanalisation of the vas deferens leading to renewed fertility (failure of the vasectomy). It is imperative to give post-vasectomy information where the patient must continue using his habitual anticonceptive method until the azoospermia shown in 2 semen analysis confirm the sterility of the patient so that the urologist has no legal problem.

Adult↗

PubMed1994

[Cardiac amyloidosis. General review].

Cardiac amyloidosis, most often of AL type, is a non-exceptional disease as it represents 5 to 10% of non-ischemic cardiomyopathies. It realizes typically a restrictive cardiomyopathy. Nevertheless the wide diversity of possible presentation makes it a "big shammer" which must be evoked in front of every unexplained cardiopathy after the age of forty. If some associated manifestations can rapidly suggest the diagnosis, as a peripheric neuropathy especially a carpal tunnel syndrome or palpebral ecchymosis, cardiac involvement can also evolve in an apparently isolated way. The most suggestive paraclinic elements for the diagnosis are, in one hand, the increased myocardial echogenicity with a "granular sparkling" appearance seen throughout all walls of the left ventricle and, in the other hand, the association of a thickened left ventricle and a low voltage (electrocardiogram could also show pseudo-infarct Q waves). In front of such aspects, the proof of amyloidosis is brought by an extra-cardiac biopsy or by scintigraphy with labelled serum amyloid P component, so that the indications of endomyocardial biopsy are very limited today. The identification of the amyloid nature of a cardiopathy has an direct therapeutic implication: it contra-indicates the use of digitalis, calcium channel blockers and beta-blockers. The treatment of AL amyloidosis (chemotherapy with alkylant agents) remains very unsatisfactory especially in the cardiac involvement which is the most frequent cause of death (in AL amyloidosis). Last, cardiac amyloidosis is a bad indication for transplantation which results are burden by rapid progression of deposits especially in the gastro-intestinal tract and the nervous system.

Amyloidosis↗

PubMed1998

Morphological changes of the triceps surae muscle-tendon unit during passive extension: an in vivo rabbit model.

OBJECTIVE: To elucidate the morphological and biomechanical manifestation of the triceps surae muscle-tendon unit during passive extension. DESIGN: The instantaneous changes within the load-deformation curve of muscle-tendon unit were analyzed by an in vivo rabbit model. BACKGROUND: Although muscle strains occur more frequently than complete failures, the failure mechanism of these sub-failure injuries is rarely investigated. Monitoring of the instantaneous changes in the load-deformation curve allows correlation with the morphological changes that occur during passive extension. METHODS: After anesthesia, the triceps surae muscle of rabbit was dissected and then stretched to failure by a MTS Bionix 858 machine. The morphological changes in failure patterns were recorded by photographs. RESULTS: The morphological and biomechanical manifestations of the triceps surae muscle-tendon unit was divided into five different portions: first, the viscoelastic portion with minimal morphologic change; second, the portion of micro-failure with local ecchymosis; third and fourth, the portions of macrofailure with sequential rupture of the muscle fibers; and fifth, the portion of rupture and separation of muscle parenchyma. CONCLUSIONS: A threshold for stretch-induced injury does exist. The threshold of the initiation of micro-failure in this model was 16.5% of the strain, which corresponded to 16.6% of the maximal sustainable force. RELEVANCE: Elucidation of the existence of micro-failure in skeletal muscle gives a good reference point to determine the functional capabilities and limitation of muscular tissue. With this, the deleterious effect of muscle stretching can be avoided by limiting muscle stretching to below this limit.

Journal Article↗

PubMed1999

The use of maxillary sinus endoscopy in the diagnosis of orbital floor fractures.

PURPOSE: The goal of the current study was to evaluate the ability to diagnose the presence of an inferior orbital wall fracture through the use of a transantral endoscopy technique at bedside. PATIENTS AND METHODS: Seven trauma patients with initial axial computed tomography (CT) scan findings consistent with an orbital floor fracture were studied. Before endoscopy, the patients underwent a coronal CT scan with 3-mm cuts for later comparison with the endoscopic findings. The surgeon performing the endoscopy procedure was blinded to the results of the coronal CT scan. Visual acuity, intraocular pressure, and measurement for enophthalmos were performed before endoscopy. The endoscopic procedure was performed at the bedside using local anesthesia. A trocar was used in the canine fossa to gain access to the maxillary sinus. A 30 degrees and then a 70 degrees endoscope were introduced through the trocar to evaluate the integrity of the orbital floor (ie, maxillary sinus roof). The degree of mucosal injury of the orbital floor and the presence of blood or orbital contents in the sinus were recorded. The ophthalmologic examination was repeated after completion of endoscopy. RESULTS: The endoscopic procedure was able to be completed in all patients. There was no change in the ophthalmologic examination in any patient as a result of endoscopy. In six of the seven patients studied, the endoscopic findings correlated with the need for surgical intervention to repair the orbital floor predicted on the basis of coronal CT scan. This was determined by the degree of injury to the orbital floor and the presence of hematoma, exposed bone, or fat. In the remaining case, endoscopy was not diagnostic for the presence of a fracture because only ecchymosis of the orbital floor was noted. CONCLUSIONS: The ability to perform endoscopy under local anesthesia at the bedside is useful in those trauma patients whose concomitant injuries may prohibit other diagnostic modalities.

Adolescent↗

PubMed1990

Purpura fulminans.

Purpura fulminans is a rare disease that typically begins as a benign infectious process and subsequently progresses to severe sepsis, hypotension, purpura ecchymosis, and disseminated intravascular coagulation. We present an unusual case of an adult who was seen initially with pneumococcal sepsis that subsequently developed into purpura fulminans with major extremity involvement. A multidisciplinary approach is needed in the treatment of this often catastrophic disease.

Disseminated Intravascular Coagulation↗

PubMed1998

Warfarin-induced skin necrosis.

Skin necrosis is an uncommon complication of warfarin (Coumadin; Dupont Pharma, Wilmington, DE) therapy. The presentation may mimic other disorders. This article reports a case of a 72-year-old woman who presented to the emergency department complaining of swelling and ecchymosis to her left breast and right foot. The patient had been hospitalized for coronary artery bypass grafting, and had been discharged from the hospital earlier that day. This article reviews the pathophysiology and clinical features of warfarin-induced skin necrosis.

Aged↗

PubMedDate not supplied

Performance of two clinical decision rules for knee radiography.

We designed a prospective observational study to attempt to validate two recently described clinical decision rules for knee radiography. Consecutive patients aged > or = 15 yr with acute knee injuries occurring less than 1 wk prior to presentation were included for study. Patients with distracting conditions, open knee injuries, or previous surgery were excluded. Each patient was assessed for 7 historical and 15 physical examination criteria that were recorded on a standardized data collection instrument. Radiographs were ordered at the discretion of the attending physician and were read by two board-certified radiologists. When radiographs were not ordered, structured telephone follow-up was performed after 3 wk. The main outcome parameter was the presence or absence of a clinically significant fracture. There were 351 patients in the study; 26 (7%) had knee fractures. Fractures were significantly associated with an increased prevalence for two of the three criteria in the rule derived by Bauer: inability to weight bear immediately or in the emergency department (ED; 76.9% of patients with a fracture vs. 29.8% of patients without a fracture) and effusion (53.8% vs. 28.9%, respectively). Ecchymosis was not significantly associated with fracture (19.2% with fracture vs. 9% with no fracture). Use of the Bauer rule would have led to a radiographic evaluation of 22 of the 26 patients with knee fractures (sensitivity = 84.6%, specificity = 48.9%). Fractures were associated with a significantly increased prevalence for three of the five criteria in the decision rule proposed by Stiell: isolated patella tenderness (30.8% with fracture vs. 14.5% with no fracture), inability to flex the knee to 90 degrees (42.3% vs. 19.7%, respectively), and inability to weight bear immediately and in the ED (57.7% vs. 18.8%, respectively). Age > or = 55 yr (23.1% vs. 12.0%, respectively) and fibula head tenderness (11.5% vs. 5.5%, respectively) were not significantly associated with fracture. Use of the Stiell rule would have led to radiographic evaluation of 22 of the 26 patients with knee fractures (sensitivity = 84.6%, specificity = 49.8%). We conclude that neither clinical decision rule is 100% sensitive. Further refinement will be necessary to identify all patients with knee fractures.

Adolescent↗