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A case report: cold hemagglutinin disease in a pancreatic and renal transplant patient.

A 33-year-old white male, 30 days postpancreatic transplant, with a history of juvenile onset diabetes mellitus and previous renal transplant, appeared to have cold hemagglutinin disease (CHD). He was being treated for acute organ rejection and had received two units of red blood cells (RBCs) on postoperative day 11, at which time no serum antibodies were detectable. On postoperative day 30, serum studies showed an autoanti-I with a titer of 512 in 30 percent albumin at 4 degrees C and a maximum thermal amplitude of 37 degrees C. The patient had a weakly positive direct antiglobulin test (DAT) with only complement detectable on the red cells. The patient recovered spontaneously. The etiology of the CHD is unclear. The use of cyclosporin-A, OKT3 monoclonal antibody,and anti-thymocyte globulin (ATG) to treat acute rejection could have played a part.

Journal Article↗

[Economic analysis of diagnostic and therapeutic methods in cases of cold thyroid nodules].

This article studies how two diagnostic tests (cytological puncture and 201thallium scanning) can be combined to obtain a more efficient approach of cold thyroid nodules. Diagnostic and therapeutic approaches are compared on the basis of four criteria: financial cost (immediate and delayed), number of labelled cancers, pre- and postoperative death rates and number of complications.

Biopsy, Needle↗

[Cold urticaria: review of 12 cases].

BACKGROUND: Cold urticaria is caused after exposition to cold air, water and food. It is the third more frequent physical urticaria in pediatric population. METHODS AND RESULTS: We reviewed twelve patients, studied different characteristics and obtained following results: mean age is 12 years and 9 months and it is more frequent in female subjects, atopy is present in 67 % of patients, other physical urticaria are present in 25 % and there is not familial inheritance. 83 % of patients have localized and generalized symptoms. Cold stimulation test is positive in 92 %. Cryoglobulins and cold agglutinins are negative in 100 % of patients in which these tests were made. There is infectious disease in only two patients. Cetirizine was used in most of patients and it was successful in 70 %. Mean duration is 3 years and 6 months. Only patient with negative cold stimulation test remains without symptoms. CONCLUSIONS: Cold urticaria must be initially diagnosed by cold stimulation test and clinical history. Cetirizine is effective and cause less adverse effects than other antihistamines traditionally used.

Cetirizine↗

A rare and atypical case of long-distance indirect DNA transfer: Contamination from an investigator never present at the scene.

To maximize the usefulness of DNA obtained from biological samples in forensic genetics, it is crucial to avoid DNA contamination throughout all procedures, from sample collection at crime scenes to STR profile generation in DNA laboratories. This study reports a rare and atypical case of DNA contamination in a forensic setting. During the analysis of biological evidence from a cold case preserved for 18 years, the STR profile obtained from the surface of a plastic bag matched that of an investigator, identified through the DNA elimination database. Case reconstruction confirmed that the investigator-who was located 80 km from the DNA laboratory and had never entered the crime scene or the sample storage room-was not a suspect and that the obtained STR profile originated from contamination. The most plausible explanation for the contamination was indirect transfer: investigator's DNA had adhered to a colleague's clothing and was subsequently dislodged and deposited onto the surface of the plastic bag as the colleague approached the sample pretreatment area. This study integrates trace DNA profiling of challenged samples with rapid contamination investigation and proposes prevention and control measures. This case underscores that, although DNA is widely regarded as the "gold standard" in forensic genetics, its interpretation must be considered within the context of the entire case. Conclusions should not be drawn based solely on a single DNA result.

Humans↗

Paramyotonia congenita without cold paralysis: a case report.

A 27-year-old-woman with paramyotonia congenita was reported. She began to suffer from myotonia since infancy. Myotonia was aggravated by cold, but with intense cooling myotonia did not change to flaccid paralysis. Four generations of her family showed the same symptoms that suggested autosomal dominant inheritance. Neurological examinations revealed no impairments of mental function, cranial nerves and sensory system. Muscular atrophy or hypertrophy was not observed. Percussion myotonia of the tongue and thenar muscles could be elicited at room temperature. Myotonia was aggravated by cold. An oral intake of potassium chloride (7 grammes) did not provoke any muscle weakness or flaccid paralysis. Routine laboratory data and findings of head CT scan, cerebrospinal fluid and electroencephalogram were normal. The nosological distinction between paramyotonia congenita and hyperkalemic periodic paralysis has been debated since 1956. Paralysis induced by cold is thought to be a feature of paramyotonia congenita, thus raising a possible relationships to hyperkalemic periodic paralysis. In our case cold paralysis never occurred spontaneously and could not be provoked by immersion in ice water or by potassium loading. This finding confirms the existence of paramyotonia congenita without cold paralysis and may provide a nosological distinction between paramyotonia congenita and hyperkalemic periodic paralysis.

Adult↗

[Myocardium protection using warm blood cardioplegia in corrective operation of tetralogy Fallot].

In this paper, the children, who had undergone the operation with the approach similar to that of Tetralogy Fallot, were selected and divided into 4 groups, according to different kinds of cardioplegia were infused during corrective operation. St. Thomas group (CC group) 24 cases, cold blood cardioplegia group (CBC group) 21 cases, terminal warm blood cardioplegia group (TWBC group) 12 cases, and continuous warm blood cardioplegia group (CWBC group) 12 cases. Through the measurement of left ventricular contraction pressure and CK-Mb release in the postoperative period, the effect of myocardial preservation was better in TWBC and CWBC groups than in CC and CBC groups (P < 0.05), ATP volume of myocardium in TWBC and CWBC groups were higher (17.1 and 18.2 mumol/g) than that in CBC group (2.48 mumol/g) (P < 0.01) CP values were respectively 8.74 mumol/g, 7.63 mumol/g and 5.5 mumol/g (P < 0.05). 9 cases (37%) in CC group needed inotropic drug to assist circulation postoperation, 4 cases (16%) in CBC group, 2 cases (12%) in both TWBC and CWBC group. The results demonstrated that WBC had a better myocardial protection effect.

Bicarbonates↗

[Efficacy of danazol in autoimmune hemolytic anemia with cold agglutinins. 4 cases].

The treatment of haemolytic anaemia related to primary cold agglutinin disease is often unsatisfactory. Corticosteroids are not useful in most cases and, beside protection against cold, treatment is frequently limited to transfusions. We report the good results obtained with long-term danazol therapy (600 mg per day initially, than 400 mg per day) in 3 cases of chronic cold agglutinin disease and 1 case of idiopathic haemolytic anaemia with cold agglutinin in serum. The only side-effect was a transient increase of transaminase level requiring reduction of a maintenance dose which could be given during 3 to 7 years.

Adult↗

Identification of the unidentified deceased and locating next of kin: experience with a UID web site page, Fulton County, Georgia.

BACKGROUND: Medical examiner and coroner offices may face difficulties in trying to achieve identification of deceased persons who are unidentified or in locating next of kin for deceased persons who have been identified. The Fulton County medical examiner (FCME) has an office web site which includes information about unidentified decedents and cases for which next of kin are being sought. METHODS: Information about unidentified deceased and cases in need of next of kin has been posted on the FCME web site for 3 years and 1 year, respectively. FCME investigators and staff medical examiners were surveyed about the web site's usefulness for making identifications and locating next of kin. RESULTS: No cases were recalled in which the web site led to making an identification. Two cases were reported in which next of kin were located, and another case involved a missing person being ruled out as one of the decedents. The web site page is visited by agencies interested in missing and unidentified persons, and employees do find it useful for follow-up because information about all unidentified decedents is located and easily accessible, electronically, in a single location. CONCLUSIONS: Despite low yield in making identifications and locating next of kin, the UID web site is useful in some respects, and there is no compelling reason to discontinue its existence. It is proposed that UID pages on office web sites be divided into "hot" (less than 30 days, for example) and "warm" (31 days to 1 year, for example) cases and that cases older than a year be designated as "cold cases." It is conceivable that all unidentified deceased cases nationally could be placed on a single web site designed for such purposes, to remain in public access until identity is established and confirmed.

Attitude of Health Personnel↗

A case of cold-dependent exercise-induced anaphylaxis.

Exercise-induced anaphylaxis (EIA) is a form of physical urticaria that is induced by exercise. A 16-year-old Japanese boy had a 4-year history of recurrent wealing and dyspnoea after physical exercise such as jogging, playing handball or riding a bicycle in winter. The episodes were not associated with ingestion of foods including wheat or soya bean. A provocation test, with 15 min of exercise and 2 min of cold stimulation immediately before or immediately after the exercise, elicited a weal that was localized to the test area. A challenge test with ingestion of boiled soya beans and exercise did not elicit a weal. Therefore, in this case, cold exposure, but not food ingestion, was essential for inducing EIA. Cold-dependent EIA is different from cold urticaria, food-dependent EIA, cholinergic urticaria and cold-induced cholinergic urticaria, and may be a distinct entity.

Adolescent↗