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Biomedical subjects

L I Lutwick

Publications and source records attributed to L I Lutwick.

At least 37 records · Page 2Linked to original sources

Nosocomial phaeomycotic cyst of the hand.

We present the case of an elderly man with chronic obstructive pulmonary disease who had a 4-month history of multiple fluctuant masses of the dorsum of the right hand, which began at the site of an intravenous catheter. Medications included inhaled and oral steroids. Fungal cultures of the fluid obtained grew a pigmented mold identified as Exophiala species after several routine cultures were reported as negative. The patient underwent radical excision of the masses and received a perioperative course of oral itraconazole. This is one of the first known cases of a possible nosocomially acquired phaeomycotic cyst. Unusual fungi should be considered in the differential diagnosis of skin lesions in immunocompromised patients.

Abscess↗

Paromomycin-associated pancreatitis in HIV-related cryptosporidiosis.

OBJECTIVE: To report a case of pancreatitis related to paromomycin administration. CASE SUMMARY: A 39-year-old man with AIDS developed pancreatitis concurrent with successful treatment of intestinal cryptosporidiosis with paromomycin. The hyperamylasemia resolved with discontinuation of the agent and recurred when paromomycin treatment was reinstituted. DISCUSSION: To our knowledge, this is the first reported case of pancreatitis believed to be induced by paromomycin. Although pancreatitis in HIV-infected patients has multiple causes, the nature of this case suggests the involvement of paromomycin. The mechanism of action is unclear. CONCLUSIONS: Pancreatitis should be considered in the differential diagnosis of abdominal pain in patients who are treated with paromomycin.

AIDS-Related Opportunistic Infections↗

Seroprevalence of cysticercosis in an Orthodox Jewish community.

Neurocysticercosis cases were identified in 1991 in an Orthodox Jewish community. Transmission was linked to tapeworm-infected immigrant housekeepers from countries where Taenia solium is endemic. To evaluate the extent of and risks for locally acquired cysticercosis, a seroprevalence survey was conducted in 9% of the households in this community. Cysticercosis antibodies were detected in 23 (1.3%) of 1,789 persons from 612 families. All 23 seropositive persons were asymptomatic, and no intracerebral lesions were found for the 21 seropositive persons who underwent brain imaging. Seropositivity was associated with female sex (relative risk [RR] = 2.45, P = 0.049), hiring a domestic worker for child care duties (RR = 3.79, P = 0.05), and with employees from Central America (RR = 2.70, P = 0.0001). Exposure to T. solium in this community is unexpectedly high. Widespread employment of domestic workers from endemic regions and high employee turnover contributes to exposure risk.

Adolescent↗

Mucormycosis of a median sternotomy wound.

Mucormycosis is an unusual complication of cardiothoracic surgery. The fungi may infect the sternotomy wound causing a progressive gangrene or seed the implanted prosthetic valve or graft resulting in endocarditis or graft failure. There have been six previous reports of mucormycosis following cardiothoracic surgical procedures. Four cases involved prosthetic devices, the remaining two are examples of sternal wound mucormycosis acquired from the use of contaminated elasticized bandages. The first case of sternal wound mucormycosis not associated with elasticized bandages is reported here. The infection occurred in a diabetic patient who had undergone coronary artery bypass surgery and mitral valve replacement. The patient received corticosteroids and broad-spectrum antibiotics at the time of and after operation. The patient developed invasive sternal mucormycosis and died on day 10 after surgery, despite aggressive surgical débridement and amphotericin B therapy. No elasticized bandages were used and the source of the infection was not identified. Previous cases of mucormycosis in cardiothoracic surgery are reviewed and the specific clinical setting in which this fungal disease should be suspected defined.

Adolescent↗

HIV-1 antibody serum negativity with urine positivity.

7 individuals who were negative for HIV-1 antibody in a licensed serum enzyme immunoassay (EIA) were positive in a urine EIA and western blot (WB). Follow-up in individuals by use of a cell-mediated immune response showed 1 positive and 1 negative for HIV-1 peptide reactivity. In a second study, 4 out of 5 subjects positive by urine EIA and indeterminate or negative by serum WB were HIV-1 peptide positive in the cell-mediated immune test. Comparison of cell-mediated responses with urine antibody responses may help to resolve discrepant HIV-1 results.

Adolescent↗

Intrapartum transmission of group A streptococcus.

Intrapartum transmission of group A streptococcus has not been well documented. As the incidence of severe infections due to this organism has recently increased, it is important to assess if such transmission occurs. We observed two cases of severe neonatal infections due to group A streptococcus, one of which was fatal, that appeared to have been transmitted from the mother during birth. Perinatal prophylaxis, which has been recommended for infections due to group B streptococcus, should be evaluated for infections due to group A streptococcus.

Adult↗

The fortuitous diagnosis of cholera in a two-year-old girl.

We are reporting the fortuitous diagnosis of a case of cholera and the unusual failure of the commercial bacteriologic media that led to the unexpected isolation of Vibrio cholerae. The case demonstrates the need for communication between the medical staff and laboratory personnel when an uncommon disease, such as cholera, is suspected. This case also alerts the clinician to the possibility of multiple enteric pathogens coinfecting a traveller.

Animals↗

Streptococcal toxic shock syndrome due to noninvasive pharyngitis.

Serious infections due to group A beta-hemolytic streptococcus (GABHS) have been reported with increasing frequency in recent years. We report a case of toxic shock syndrome (TSS) due to GABHS pharyngitis in an otherwise healthy 14-year-old boy. The organism was found to produce toxin A. To our knowledge, this is the second reported case of streptococcal TSS associated with the production of toxin A that is not associated with an invasive disease and the first case associated with a documented rise in the level of antibody to the streptococcal toxin itself. Clinicians must be especially vigilant for this entity in patients who have streptococcal pharyngitis because early recognition and institution of aggressive supportive therapy can be lifesaving.

Adolescent↗

Infective endocarditis of a native valve due to Acinetobacter: case report and review.

A case of community-acquired infective endocarditis of a native valve that was caused by Acinetobacter calcoaceticus subspecies anitratus is presented. The previously reported cases are reviewed, and therapy for this disorder is discussed. The presence of a transient maculopapular rash involving the palms and soles but sparing the face is suggested as a possible early clinical clue to the diagnosis. Native valve endocarditis caused by Acinetobacter species is an acute, aggressive illness that is more likely to be fatal than the prosthetic valve form; of the previously described patients, five of 15 with native valve endocarditis and one of six with prosthetic valve endocarditis died. In the appropriate clinical setting, we recommend therapy with an antimicrobial agent known to be active against Acinetobacter organisms when blood cultures are reported to yield oxidase-negative, gram-negative coccobacilli until the final identification of the microorganism is known.

Acinetobacter Infections↗

Aerosolized vancomycin therapy facilitating nursing home placement.

OBJECTIVE: To demonstrate a novel method of eliminating nasopharyngeal colonization by methicillin-resistant Staphylococcus aureus (MRSA) in a debilitated, hospitalized patient. DESIGN: Single-patient, nonblind, nonplacebo, case study. SETTING: Community hospital, Brooklyn, NY. PATIENT: Hospitalized patient with recalcitrant nasopharyngeal MRSA colonization that could not be eliminated by conventional therapeutic interventions. INTERVENTIONS: Aerosolized vancomycin hydrochloride 120 mg q6h administered in room air via face mask together with vancomycin nasal drops, 2 drops to each nostril q6h. MAIN OUTCOME MEASURE: Elimination of MRSA from the nasopharynx of the patient. RESULTS: Successful elimination of MRSA colonization after four days of therapy. CONCLUSIONS: Aerosolized vancomycin in combination with vancomycin nasal drops is beneficial in eliminating nasopharyngeal colonization by MRSA. Clinical trials are warranted to confirm this clinical observation.

Administration, Inhalation↗