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Biomedical subjects

R E Mittleman

Publications and source records attributed to R E Mittleman.

At least 19 recordsLinked to original sources

Practical approach to investigative ethics and religious objections to the autopsy.

The application of investigative ethics to religious objections to the autopsy is essential for harmony in achieving the mission of medical legal death investigations. In Florida, an ethical advisory committee composed of religious, ethics, legal, and medical leaders established a unified statement for the practice of discretionary judgment and liaison with clergy. Our approach to religious objections to the autopsy as well as illustrative cases will be discussed.

Adult

Hypopharyngeal lipoma as a cause for sudden asphyxial death.

Lipomas of the hypopharynx are uncommon tumors that are rarely life threatening. When positioned in the hypopharynx, asphyxia may be the result of the tumor size or sudden displacement into the oropharynx. We present a case of a large hypopharyngeal lipoma, review the literature, and discuss mechanisms by which these lesions may cause sudden asphyxial death.

Aged

Tissue distribution of cocaine in a pregnant woman.

Reports of cocaine-related obstetrical problems, including abruptio placentae and spontaneous abortion, have become increasingly evident in the medical literature; however, little is known about tissue distribution of cocaine in the pregnant woman. We report the toxicologic results of distribution studies performed on a pregnant woman and her fetus. Maternal/fetal cocaine concentration ratios were high when comparing blood (9:1), brain (6:5), and kidney (10:6). Possible explanations of the mechanism for lower fetal cocaine concentrations may include uterine vasoconstriction, incomplete maternal/fetal equalibration, or rapid placental/fetal clearance.

Adult

An unusual case of Phormia regina myiasis of the scalp.

The authors report a case of Calliphorine myiasis in the scalp of a 64-year-old woman caused by the larvae of Phormia regina (Black Blowfly). There was extensive blackening of the scalp and necrosis of the soft tissues, which is unusual in Phormia regina myiasis.

Female

Aortoesophageal fistula and sudden death. A report of two cases and review of the literature.

Two cases of aortoesophageal fistula are presented. The etiology, symptoms, and diagnosis of aortoesophageal fistula are reviewed. Signs and symptoms of gastrointestinal hemorrhage followed by sudden collapse hours to days later should prompt consideration of an aortoesophageal fistula. Accidental ingestion of foreign bodies, particularly by children, is a frequent etiology.

Adult

Cervical airway injuries as a result of impact with steering wheel rim.

Motor vehicle occupants may suffer severe cervical airway injuries as the result of impaction with the steering wheel, dashboard, windshield, backseat, and seat belt. Although the steering column is well recognized as a general site of injury infliction, less attention has been directed to components which may be the actual focal point of contact, such as the steering wheel rim. Two cases of cervical airway injury as a result of impact with the steering wheel rim are presented, including one instance of complete laryngotracheal transection. Correlation of injury with crash and postcrash sequences as well as the damaged vehicle will often provide excellent crash injury reconstruction.

Accidents, Traffic

Hepatic rupture due to metastatic lung carcinoma.

A 62-year-old man died from hemoperitoneum secondary to nontraumatic hepatic rupture. At autopsy, the liver was massively enlarged by undiagnosed metastatic small cell carcinoma of the lung. The site of exsanguination was distended by tumor, culminating in sudden bursting of the hepatic capsule. Nontraumatic rupture may result from a variety of neoplastic and nonneoplastic diseases. Hemoperitoneum secondary to lung carcinoma is rare, and even more so is the association with sudden unexpected death.

Carcinoma, Small Cell

Cocaine and sudden "natural" death.

The cardiovascular effects of cocaine may culminate in clinical episodes of angina pectoris, myocardial infarction, arrhythmias, and intracranial hemorrhage. To clarify whether or not cocaine causes fatalities by these mechanisms, we studied 24 cases of sudden, apparently natural deaths as a result of coronary arteriosclerosis (15 cases), hypertensive cardiovascular disease (4 cases), and intracranial hemorrhage (5 cases) associated with cocaine use. In 11 cases, cocaine was found in the blood (average concentration: 0.57 mg/L, range: 0.05 to 1.45 mg/L), whereas in the remainder, cocaine or its major metabolite was found in the urine or other tissues. In the majority of decedents, autopsy disclosed the existence of severe natural disease which could have been exacerbated by the administration of stimulant drugs, including cocaine. These data, and a review of the current medical literature, indicate that cocaine may precipitate the sudden death of an individual with undiagnosed cardiovascular disease. A contributory role of cocaine should be considered in any apparently natural death occurring in a population where cocaine abuse is prevalent.

Adult

Unusual deaths associated with polyphagia.

Perversion of appetite may be manifest in either qualitative (pica), quantitative (polyphagia), or combined derangements of eating. Ingested materials are capable of serving as dangerous physical agents through interference with normal cardiac and/or respiratory function. Since the mechanisms of injury are similar to those that might occur as a result of violence or serious natural disease, a thorough investigation of the history and circumstances immediately preceding the final event is warranted in addition to a complete autopsy. Three cases of asphyxia of unusual etiology are presented along with a rationale regarding the mechanisms believed to be involved. In case 1, sudden subdiaphragmatic viscus expansion with resultant lung volume displacement and impediment of venous return from the lower half of the body are believed to have been operative. In cases 2 and 3, both asphyxial loci are infraglottic. The common denominator in all of these fatalities is the physical impairment of vital air exchange as a complication of an abnormal eating pattern.

Adult

Suicide by ingestion of methyl ethyl ketone peroxide.

Methyl ethyl ketone peroxide (MEKP) is a free radical-generating compound used as a fiberglass resin hardener. A 41-year-old Haitian man developed severe metabolic acidosis, hemolysis, esophageal and gastric necrosis, and perforation of the stomach after drinking an undetermined amount of MEKP in a successful suicide attempt. The biochemical effects of free radicals explain the necrosis and hemolysis observed.

Abdomen

Death caused by recreational cocaine use. An update.

The epidemiologic, pathological, and toxicological findings of 60 cocaine-related overdose deaths from middle 1978 through 1982 were studied and compared with a previous publication by this office. In addition, 180 deaths where cocaine was an incidental toxicological finding are also discussed. Currently, the average street cocaine fatality victim is 29 years old, and 42% of the victims are female. Blacks comprise 39% of the cases. The blood cocaine concentration in "street cocaine" fatality victims averaged 6.2 mg/L with a wide range, necessitating careful interpretation of the toxicological results in conjunction with terminal events. Although autopsy findings were generally nonspecific, multiple needle-puncture marks with surrounding ecchymoses are typical of IV cocaine abuse. An increase in cocaine-related overdose deaths is anticipated because of its popularity, increasing availability, and, currently, the increased purity of street cocaine.

Adolescent

Fatal choking in infants and children.

Food asphyxiation in infants/children follows a different pattern from the adult "cafe coronary." In the absence of ethanol intoxication, infants/children are prone to mishandling nonfriable, firm, slippery foods/objects with a rounded contour. The Dade County Medical Examiner's files were searched from 1956 to mid-1983 for accidental pediatric choking deaths. Seventeen food and six foreign body asphyxiations were found. The male/female ratio was 1.4/1 and 1/1, respectively. The white/black ratio was 0.9/1 for food asphyxiation whereas no black victims were encountered choking upon foreign objects. Seventy-eight percent of all victims were between 2 months and 4 years of age. Infants/children asphyxiated on items such as a hot dog, hard candy, peanut, toy rattle, tissue paper, balloon, marble, etc. The choking event was recognized by nearby adults in most instances. Risk factors include the availability of riskful foods/objects, natural diseases with difficulty feeding, poor eating habits, and uneducated or ignorant parents/others at the scene. Although public education, package labeling, and changes in food/object design may be appropriate, the ubiquituous risk foods and small foreign objects will, on occasion, escape the eye of even the most watchful parent.

Adolescent