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PubMed2005

Evaluation of a silver-releasing hydroalginate dressing in chronic wounds with signs of local infection.

OBJECTIVE: To evaluate the clinical impact of using a silver-releasing hydroalginate dressing to minimise the risk of local infection in colonised chronic wounds. METHOD: This was a randomised (stratification according to wound type) open-label multicentre comparative two-arm parallel-group study. Thirteen centres recruited 99 patients with either a venous leg ulcer or a pressure ulcer. None of the wounds required systemic antibiotics or were associated with lymphangitis and/or fever, but at least two of the following criteria had to be present: continuous pain; erythema; oedema; heat; and moderate to high levels of serous exudate. Patients were allocated to receive either a silver-releasing hydroalginate dressing (Silvercel, the test group) or a pure calcium alginate dressing (Algosteril, the control group). Wounds were assessed daily over 14 days to complete a modified ASEPSIS index to evaluate risk of infection, and then weekly for two additional weeks. A global wound severity score and area tracings were recorded weekly. RESULTS: Fifty-one and 48 patients were randomised in the test and control groups respectively: 28 pressure ulcers and 71 venous leg ulcers. The total mASEPSIS score over 14 days did not differ significantly between groups: 95.4 +/- 62.2 and 104.2 +/- 72.8 in control and test groups respectively (p = 0.791). Of the patients who completed the total four-week study duration, four out of 38 (10.5%) in the control group and none of the 40 in the test group were treated with systemic antibiotics at the final visit (p = 0.053). According to the investigators, fewer wounds developed a clinical infection over the four-week follow-up in the test group (33% versus 46%; p = 0.223). Overall, the four-week closure rate was statistically greater in the test group (0.32 +/- 0.57cm2/day versus 0.16 +/- 0.40cm2/day; p = 0.024). Compared with baseline, the absolute decrease in wound severity score at week four was higher in the test group (-5.6 +/- 3.2 versus -4.1 +/- 4.3; p = 0.063); this was also true of the percentage reduction (-32 +/- 17% versus -23 +/- 25%; p = 0.034). Poor dressing acceptability and/or tolerability was noted in five out of 48 patients (10.4%) in the control group and in five out of 51 (9.8%) in the test group. CONCLUSION: This study suggests that the use of silver-releasing dressings in the management of wounds at high risk of infection may have a clinically favourable influence on wound prognosis; the dressings also appeared to be well tolerated. However, the evaluation of these advantages in controlled clinical trials is complex and requires potent studies and the development of more specific endpoints than those currently used.

Administration, Topical↗
PubMed2005

Bacterial diseases of the skin.

When considering common bacterial diseases of the skin, rather distinct clinical responses to a variety of bacterial infections have been identified. In these cases, it is the specific site of infection and the attendant inflammatory responses that provide the characteristic clinical picture. When the pyoderma extends just below the stratum corneum, it is called impetigo. Nonbullous impetigo is the most common pediatric skin infection. It usually starts in a traumatized area. The typical lesion begins as an erythematous papule, after which it becomes a unilocular vesicle. When the subcorneal vesicle becomes pustular, it ruptures and eventually becomes a yellow, golden crust that is a hallmark of the disease process. Bullous impetigo is a less common form of impetigo, accounting for fewer than 30% of all impetigo cases. It occurs in infants and is characterized by rapid progression of vesicles to the formation of bullae measuring larger than 5 mm in diameter in previously untraumatized skin. Treatment of nonbullous impetigo must include intervention against the pathogen as well as improvements in the hygiene and living conditions of the patient. A fundamental tenet is to debride the crust (scab) from the wound surface using poloxamer 188. If the lesions are not widespread, topical mupirocin is the treatment of choice. Treatment of bullous impetigo is similar, except that the local cleansing and topical antibiotic must be complemented by systemic antibiotics if there is evidence of disseminating infections. Ecthyma is usually a consequence of failure to treat effectively impetigo. The untreated infection extends deep into the tissue in shallow ulcerations that often heal without scar. Treatment for ecthyma usually requires systemic antibiotics against either staphylococcus or streptococcus. Folliculitis is a pyoderma located within a hair follicle, secondary to follicular occlusion by keratin, overhydration, or either bacterial or fungal infection. Folliculitis may be divided into either a deep or a superficial type. In the superficial type, the pustule is located at the opening of the hair follicle. In the deep form, the infection may extend beyond the confines of the hair follicle, becoming a furuncle or boil. Carbuncles are aggregates of interconnected furuncles that drain through multiple openings of the skin. Treatment of folliculitis must include searching for and avoiding any factors predisposing to infection. If topical antibiotic therapy is ineffective in controlling the infection, surgical drainage of the infected skin abscess will be necessary. Paronychia is the most common bacterial infection of the hand, which often requires surgical incisional drainage. Similarly, a felon that is an infection of the distal pulp of a finger usually requires surgical drainage. Finally, cellulitis is an acute inflammatory reaction involving the skin and underlying subcutaneous tissue. It usually starts as erysipelas and may advance to lymphangitis, lymphadenitis, or gangrene,which will respond to life-saving interventions in the hospital that usually include systemic antibiotic treatment as well as surgical intervention.

Anti-Bacterial Agents↗
PubMedDate not supplied

Familial protein-losing enteropathy and protein-losing nephropathy in Soft Coated Wheaten Terriers: 222 cases (1983-1997).

Records and pedigrees of Soft Coated Wheaten Terriers (SCWT) with protein-losing enteropathy (PLE) or protein-losing nephropathy (PLN) were studied retrospectively. Criteria for inclusion were defined based on analysis of blood (panhypoproteinemia for PLE, hypoalbuminemia for PLN) and urine (proteinuria for PLN) and histopathologic examination of tissue. Two hundred twenty-two affected dogs (female:male ratio = 1.6, P < .001) were clinically identified. Dogs were diagnosed with PLE earlier (P < .005; mean +/- SD age: 4.7+/-2.6 years, n = 76) than with PLN (6.3+/-2.0 years, n = 84) or with both diseases (5.9+/-2.2 years, n = 62). Clinical signs included vomiting, diarrhea, weight loss, pleural and peritoneal effusions, and less commonly thromboembolic disease. Dogs with PLE generally had panhypoproteinemia and hypocholesterolemia; intestinal lesions included inflammatory bowel disease, dilated lymphatics, and lipogranulomatous lymphangitis. Dogs with PLN generally had hypoalbuminemia, proteinuria, hypercholesterolemia, and azotemia; renal lesions typically showed chronic glomerulonephritis/glomerulosclerosis, and less commonly endstage renal disease. Dogs with combined PLE/PLN had intermediate mean values (P < .001) for serum total protein, albumin, globulin, and cholesterol but had a higher mean urine protein:creatinine ratio than did PLN dogs (P < .05); intestinal and renal lesions in these dogs were similar to those in the other groups. Two dogs had incidental mild renal dysplasia. Pedigree analysis from 188 dogs demonstrated a common male ancestor, although the mode of inheritance is unknown. Both PLE and PLN are common diseases in this small breed population. The prognosis is poor. Compared with previously reported intestinal and renal diseases in dogs, a new, distinctive familial predisposition for both PLE and PLN has been recognized in the SCWT breed.

Animals↗
PubMed2003

Erysipelas: recognition and management.

Erysipelas is an acute bacterial infection of the dermis and hypodermis that is associated with clinical inflammation. It is a specific clinical type of cellulitis and, as such, it should be studied as a specific entity. Erysipelas is generally caused by group A streptococci; it is highly probable that streptococcal toxins also play a role, which could, in part, help explain the clinical inflammation. Erysipelas of the leg is the main clinical type encountered. The face, arm, and upper thigh are the other most common sites for the occurrence of erysipelas. After a sudden onset, areas of erythema and edema characteristically enlarge with well-defined margins. Athlete's foot is the most common portal of entry for the disease. Erysipelas is generally associated with high fever, and adenopathy and lymphangitis are sometimes present. At the time of diagnosis, it is important to look for clinical markers of severity (local signs and symptoms, general signs and symptoms, co-morbidity, social context) which would necessitate hospitalization. There are many differential diagnoses, particularly in the case of atypical dermo-hypodermitis. Some bacterial infections may have specific clinical aspects or may lead to a diagnosis of cellulitis. Necrotizing cellulitis or fasciitis are life-threatening diseases and a rapid diagnosis is important. Other noninfectious types of cellulitis have been reported in many diseases, both localized or generalized. The biology of typical erysipelas is of little value in diagnosis and a laboratory workup is usually not required. There are few local complications associated with erysipelas; abscess can occur in some patients and septicemia is rare. Recurrence is the more distressing complication. Treatment of patients with erysipelas has been evaluated in a small number of studies. In most of them, erysipelas has been included in therapeutic studies of 'severe cutaneous infections'. This is not justified as in fact erysipelas is usually sensitive to penicillin G. Amoxicillin and macrolides are also effective. However, comparative, cost-analysis studies need to be performed to determine the best therapeutic option. Bed rest with the leg elevated is also important. Anticoagulants are indicated in patients at risk of venous thromboembolism. The portal of entry will also require treatment. Long-term antibacterial therapy is required for patients with recurrence.

Anti-Bacterial Agents↗
PubMed2006

Pulmonary relapse of non-Hodgkin's lymphoma in bilateral upper lobes.

We describe a 68-year-old male patient with diffuse large B-cell lymphoma (DLBCL) who suffered from relapse in bilateral upper lobes of the lung. The patient presented with cough, weakness and fever. A bronchovascular-lymphangitis-like shadow was detected in the bilateral upper lobes on a chest roentgenogram. Although cytological and cytofluorometric examinations revealed no malignant cells in the bronchoalveolar lavage fluid, trans-bronchial lung biopsy (TBLB) showed involvement of DLBCL in the bronchial mucosa. Recurrent lymphoma tends to extend along the bronchovascular bundles, resulting in granulomatous consolidation that may mimic tuberculosis and is likely to involve the lower lobes. Thus, TBLB proved to be essential for the diagnosis of the lung involvement of non-Hodgkin's lymphoma (NHL).

Aged↗
PubMed1993

Thoracic metastases from carcinoma of the nasopharynx: high frequency of hilar and mediastinal lymphadenopathy.

OBJECTIVE: Nasopharyngeal carcinoma is a malignant tumor commonly encountered in Chinese patients living in or originating from Hong Kong or southern China. This article describes the previously unreported radiologic appearances of thoracic metastases from nasopharyngeal carcinoma. MATERIALS AND METHODS: The radiographic (33 patients) and CT (eight patients) appearances of thoracic metastases from nasopharyngeal carcinoma were studied retrospectively. All 33 patients had biopsy-proved primary nasopharyngeal carcinoma, and seven patients had biopsy-proved thoracic metastases. Radiologic and clinical evidence of metastases was unequivocal in 26 others, 16 of whom had synchronous spread to cervical lymph nodes, bone, or liver. RESULTS: Twenty-one patients (64%) had evidence of thoracic lymphadenopathy, most frequently hilar (n = 18, 55%), on chest radiographs or CT scans. Seventeen patients (52%) had evidence of multiple parenchymal pulmonary metastases. Enlargement of lymph nodes without multiple pulmonary deposits was seen in 12 patients (36%), seven of whom had radiologic signs of bronchial obstruction, hemoptysis, or a single pulmonary lesion simulating a synchronous bronchial neoplasm. Pleural effusions or deposits (n = 6), lymphangitis carcinomatosa (n = 5), and rib metastases (n = 4) also were seen. CONCLUSION: Metastases from nasopharyngeal carcinoma may be detected in a wide range of thoracic sites. This disease appears to be as likely to disseminate to the mediastinal or hilar lymph nodes as to the pulmonary parenchyma, and it can simulate a primary bronchial tumor or lymphoma.

Adult↗
PubMedDate not supplied

Angioedema, elephantiasis nostras, and cheilitis granulomatosa.

Angioedema of the face is a common entity seen by the allergist, but other less common conditions should also be considered in the differential diagnosis of facial swelling. Elephantiasis nostras is a rare condition that can result in persistent swelling of the lips secondary to recurrent attacks of lymphangitis caused by bacterial infection. Cheilitis granulomatosa is a disorder that may also present with lip swelling. We present a patient with persistent swelling of his lips who was referred to our service to consider an allergic cause. The clinical findings of persistence of the swelling without improvement after therapy with corticosteroids and antihistamines are considered consistent with elephantiasis nostras or cheilitis granulomatosa. The histopathologic findings in this case revealed epithelioid cell granulomas, which are consistent with cheilitis granulomatosa. These two disorders should be included in the differential diagnosis of localized swelling of the face.

Adult↗
PubMed1993

Ketoconazole treatment of a family with zoonotic sporotrichosis.

All 3 members of a family developed lymphocutaneous and cutaneous sporotrichosis after exposure to an infected cat. The lesions resembled acute bacterial lymphadenitis and lymphangitis and responded within 2 weeks to ketoconazole treatment with complete healing and no recurrence over the next 6 months. Immunologically normal children and adults with lymphocutaneous or cutaneous sporotrichosis may respond well to ketoconazole therapy.

Adult↗
PubMed1998

Tumor regression of advanced carcinomas following intra- and/or peri-tumoral inoculation with VRCTC-310 in humans: preliminary report of two cases.

The authors report their clinical experience with VRCTC-310 in two patients suffering with advanced cancer in which the skin was severely compromised. VRCTC-310 is a combination of the snake venoms crotoxin (CT) and cardiotoxin (CD). The local (peritumoral) treatment with the drug (0.O14 mg/kg/week during 6 weeks) provoked the complete disappearance of a relapsed skin squamous cell cancer in one patient. The other patient was an aged woman with local-advanced breast cancer (carcinoma en cuirasse) who was inoculated intra-and-peritumoral with VRCTC-310. After 6 weekly courses (0.014 mg/kg/week) with the drug a > 80% tumor reduction was seen. A 133 days follow-up demonstrated not only an objective complete response of the primary tumor mass, but the disappearance of supraclavicular tumor mass as well a significant reduction in lymphangitis. To our knowledge, this is the first communication about the in vivo antitumoral activity of VRCTC-310 when injected locally to humans. Further studies are now in progress.

Aged↗
PubMed2004

Rickettsia mongolotimonae infection in South Africa.

We report the first laboratory-confirmed case of Rickettsia mongolotimonae infection in Africa. The patient sought treatment for an eschar on his toe; lymphangitis, severe headaches, and fever subsequently developed. After a regimen of doxycycline, symptoms rapidly resolved. R. mongolotimonae infection was diagnosed retrospectively by serologic tests and molecular-based detection of the organism in biopsy specimens of eschar material.

Adult↗
PubMed1973

Effectiveness Of Diethylcarbamazine In The Mass Treatment Of Malayan Filariasis With Low Dosage Schedule.

A series of 250 patients with filariasis due to periodic type of Brugia malayi was selected for the mass treatment with diethylcarbamazine from two areas in Cheju-Do. Two types of dosage schedules have been employed: the one was the conventional dosage schedule (uninterrupted dose of 6 mg/kg once daily 6 times repeated with an interval of one or two month totaling 72 mg/kg), and the other was the low dosage schedule (uninterrupted dose of 0.5, 1, 2, 4, 6 mg/kg body weight given once a day with an additional 6 mg/kg once daily totaling the maximum 37.5 mg/kg). The relative effectiveness of those two schedules was evaluated under the basis of the effects on microfilaria counts and the results of analysis of side-reactions observed. The results obtained in this experiment are summarized as it follows. In the conventional dosage treatment, 118 out of 141 microfilaria positives treated (83.7%) became negative and microfilaria reduction rate was about 99%. However, in the low dosage treatment, 35 out of 43 positives treated (85.4%) became negative and reduction rate of microfilaria, 99.5% in average. Total dose and duration of treatment were 72 mg/kg and about 60 days in the former schedule but it were maximum 37.5 mg/kg and 10 days in the latter. The recurrence of filariasis after treatment in both conventional and low dosage was negligible. Comparative analyses regarding the resulting side-reactions between the two schedules were made on their frequency, severity, onset and duration and relationship with microfilaria density. The febrile reaction was most frequently observed in 80.5% in the conventional, 43.9% in the low dosage schedule. The main side-reactions usually appeared within 6 to 10 hours and lasted 48 to 72 hours in the former threament, however they occurred in 7 to 8 hours and lasted 24 to 43 hours in the latter dosage schedule. It is assumed that the side-reactions are not directly related with the microfilaria count. However, the febrile reaction seems to be correlated with microfilaria density if it is above a certain limit. The presence of adult worm in a lymphnode involved with local reaction was ascertained from the biopsy specimens performed and local reactions such as lymphangitis and lymphadenitis after drug administrations were assessed from clinical and pathological point of view. It was conclusively indicated that the chemotherapeutic response to low dosage schedule within shorter length of treatment was equal to that of larger doses in long term medication from the point of the reduction in microfilaria, and particularly the resulting side-reactions were also reduced in the low dosage schedule.

Journal Article↗
PubMed2006

Obstructive jaundice caused by secondary pancreatic tumor from malignant solitary fibrous tumor of pleura: a case report.

A 77-year-old man on systemic chemotherapy against postoperative bilateral multiple lung metastases of malignant solitary fibrous tumor of the pleura suffered from pruritus and jaundice. Blood examination showed elevated levels of hepatobiliary enzymes. Abdominal computed tomography showed a tumor with peripheral enhancement in the pancreatic head, accompanied with the dilatation of intra- and extra-hepatic bile ducts. He was diagnosed as having obstructive jaundice caused by a pancreatic head tumor. The pancreatic head tumor was presumably diagnosed as the metastasis of malignant solitary fibrous tumor of the pleura, because the findings on the pancreatic head tumor on abdominal CT were similar to those on the primary lung lesion of malignant solitary fibrous tumor of the pleura. The pancreatic tumor grew rapidly after the implantation of metallic stent in the inferior part of the common bile duct. The patient died of lymphangitis carcinomatosa of the lungs. Autopsy revealed a tumor that spread from the pancreatic head to the hepatic hilum. Microscopically, spindle-shaped cells exhibiting nuclear atypicality or division together with collagen deposition were observed. Immunohistochemically the pancreatic head tumor cells were negative for staining of alpha-smooth muscle actin (alpha-SMA) or CD117, but positive for vimentin, CD34 and CD99. These findings are consistent with those on malignant solitary fibrous tumor of the pleura. We report the first case of obstructive jaundice caused by a secondary pancreatic tumor from malignant solitary fibrous tumor of the pleura.

Aged↗
PubMed1976

Timor filariasis: epidemiologic and clinical features in a defined community.

The epidemiology of Timor filariasis was observed during a clinical and parasitologic survey of persons living in a remote village on the island of Flores, Southeast Indonesia. Infection and disease was distributed evenly throughout the community, which was in accord with the breeding and feeding habits of the only identified vector, Anopheles barbirostris. Although micfofilaremia rates appeared independent of host variables of age and sexes and sex, symptoms of disease were greater among males than females, and in both sexes disease rates more than doubled between the first and second decades of life. Symptoms included recurring episodes of inguinal and femoral lymphadenitis with retrograde lymphangitis and fever, abscesses of lymph glands or vessels along the path of the great sapheneous vein and its mae highest yet reported for the Timor filaria; it is a virulent parasite causing serious ill-health among the inhabitants of eastern Flores.

Adolescent↗
PubMed1982

Endemic filariasis on a Pacific island. I. Clinical, epidemiologic, and parasitologic aspects.

The clinical and parasitologic aspects of filariasis were investigated in 459 inhabitants of a South Pacific island endemic for subperiodic Wuchereria bancrofti filariasis. Episodes of filarial fevers, usually with concomitant lymphangitis and/or lymphadenitis, were experienced by 26%. Lymphobstructive lesions, manifest in the later decades of life, were present in 12 with elephantiasis and 24 with hydroceles. Microfilaremia was detectable by membrane filtration of 1 ml of blood in 33% of persons, with a quarter of these having less than 50 microfilariae/ml. Microfilaremia and filarial fevers were more frequent in males than females and in residents of the most inland villages. Neither presence nor magnitude of lymphadenopathy correlated with other manifestations of filariasis except that markedly enlarged inguinal-femoral nodes were more common in those with elephantiasis or hydroceles. A history of filarial fevers did not correlate with presence of microfilaremia. Over 70% of adults had microfilaremia and/or historical or physical manifestations of filariasis. The absence of detectable microfilaremia in many residents with clinical evidence of filariasis and the presence of asymptomatic microfilaremia emphasize the limitations in relying only on microfilaremia rates or clinical findings in the study of the prevalence or manifestations of filarial infection.

Adolescent↗
PubMed1984

Parasitological, serological, and clinical studies of Wuchereria bancrofti in Limbe, Haiti.

A survey for Wuchereria bancrofti in Limbe, Haiti (est. pop. = 10,500) revealed that 17% (231/1,450) had a patent infection. Nearly half of those surveyed harbored fewer than 10 microfilariae (mf) per 20 mm3 of finger-prick blood; the median mf density for females and males was 12.4 and 9.5, respectively. Parasitemias occurred as early as age 4. Antibody titers greater than or equal to 1:20 against adult D. viteae antigen were observed in 38% of microfilaremic individuals and in 29% of amicrofilaremic individuals. Peak antibody responsiveness (40%) was observed between 5 and 9 years of age. In all age groups there was no correlation between mf density and antibody titer. Among the mf carriers, 5.6% had no clinical symptoms. Lymphangitis was a common feature with 14.3% having lymphedema, 8.2% with edema of the lower extremities, and 1.3% reporting episodes of chyluria. Genital involvement among women was rare, but in males 5.4% had genital swelling and 4.5% had hydroceles. Culex pipiens quinquefasciatus (Say) was observed to support the complete development of W. bancrofti in Limbe.

Adolescent↗
PubMed1984

Detection of circulating antigen in bancroftian filariasis by using a monoclonal antibody.

A monoclonal antibody designated Gib 13-5-2 (Gib 13) and directed against the cattle parasite Onchocerca gibsoni was used in a two-site immunoradiometric assay (IRMA) for detection of circulating antigen in the sera of Wuchereria bancrofti-infected individuals from Sri Lanka and Papua New Guinea. The microfilaremic patients were, in general, serum antigen positive by the Gib 13 IRMA. Among the amicrofilaremic patients, 47% of those with lymphedema, lymphangitis, hydrocele, etc., and 25% of those with elephantiasis had circulating antigen. Correlation of the presence of serum antigen with clinical status indicated that the Gib 13 target antigen in serum is probably an indicator of either active or early infection, or of both. The antigen was also detected in the urine of some patients. By sodium dodecyl sulphate polyacrylamide gel electrophoresis immunoblotting, Gib 13 target antigens of molecular weights 67,000 and 52,000 were identified.

Antibodies, Monoclonal↗
PubMed1989

Dark green pit viper (Trimeresurus popeorum) bite: clinical and serial coagulation profiles in 51 cases.

Trimeresurus popeorum, a dark green pit viper, is commonly found in Southeast Asia. This study describes the clinical picture and blood studies of 51 patients bitten by this snake. Affected limbs were swollen; and hemorrhagic blebs in fingers and toes were found in 12 patients. Lymphangitis was observed in 4 instances. Six individuals exhibited hypofibrinogenemia of 0-84 mg/dl, and 2 cases developed thrombocytopenia and bleeding. The presence of venom in the blood of these patients was demonstrated. Positive fibrin degradation products of 40-320 micrograms/ml were observed in 6 cases with hypofibrinogenemia, and in 8 other cases. Nineteen patients had short euglobulin lysis times of 51.8 +/- 24.7 min. Hyperfibrinogenemia of 626.7 +/- 288.9 mg/dl was found in 18 cases. Apart from bleeding, there were no systemic symptoms. Hypofibrinogenemia became normal in 3-12 days. The clinical course in all patients was uneventful, and none received antivenin.

Adolescent↗
PubMed1990

Cutaneous leishmaniasis in Niger.

This is the first report of cutaneous leishmaniasis in Niger subsequent to the initial finding in 1911 and the report of a second case in 1943. The clinical, histopathological, and epidemiological features of 64 parasitologically confirmed cases are described. Lesions were mostly multiple, situated on exposed areas of skin, but rarely on the face. Two clinical forms were predominant: ulcero-crusted and humid-ulcerous. Nodular lymphangitis was not uncommon. Patients were mostly from rural areas, but urban transmission did occur. The majority of lesions appeared during the June-October rainy season. All features appeared to be similar to those of this disease in other countries in the sahelian endemic zone.

Adolescent↗