The Heart in Chronic Malnutrition

By J. Higginson, A.D. Gillanders, and J.F. Murray

Summary: A comprehensive review, reprinted from the April 1952 issue of the British Heart Journal, documenting heart lesions caused by malnutrition among Bantu adults in South Africa. In all twelve fatal cases studied, “the hearts were dilated and hypertrophied,” the authors note—a “distinctive pathological pattern” they attributed squarely to malnutrition. Specifically, the high-carbohydrate Bantu diet, along with B vitamin deficiencies, are implicated. From British Heart Journal, 1952. Lee Foundation for Nutritional Research reprint 74.

[The following is a transcription of the original Archives document. To view or download the original document, click here.]

The Heart in Chronic Malnutrition[spacer height=”20px”]

A common form of heart disease in the adult Bantu population that is served by this hospital is, we believe, based on chronic malnutrition. It forms a well-defined clinical syndrome that has already been described in some detail (Gillanders, 1951). Briefly, patients with heart disease of this kind have a poor nutritional background and characteristically suffer from recurrent attacks of congestive failure. Radiologically, the heart is enlarged—in most instances grossly so—and its range of pulsation is disproportionately small. The enlargement affects all chambers. Dynamically, the circulation is hypokinetic. In the presence of heart failure, the cardiac output is usually between 1 and 2 liters per minute, and the stroke volume is correspondingly small. A detailed study of the hemodynamics will be separately reported.

In the first attack of congestive failure, clinical recovery accrues from a good general diet but not from thiamine in the absence of such a diet. In proportion to the number of relapses, the heart size fails to revert to normal, and recovery from failure becomes less perfect until, eventually, the syndrome of congestive failure associated with massive enlargement of the heart and extreme edema becomes refractory to all forms of treatment. Apart from the inevitably fatal outcome of this state, the convalescent patient whose progress is apparently favorable frequently dies unexpectedly and with remarkable suddenness. This may be an expression of the deranged and unstable metabolism that we know exists in these patients and is most readily studied in their carbohydrate utilization. There is no evidence of a genetic transmission of this disease.

The following account of the pathological findings characteristic of nutritional heart disease is based on postmortem examinations in twelve representative cases, whose salient clinical features are listed in Table I. At the time of death, all had some degree of congestive failure.

Postmortem Findings

On external examination the patients appeared of good physique, without skeletal deformity or signs of specific nutrient deficiencies. Subcutaneous edema of varying degree existed in all. The skin over the extremities was in most cases mildly hyperpigmented and hyperkeratotic. The corresponding histological changes were limited to a minor increase in melanin pigment and slight epithelial hyperkeratosis with or without fibrosis of the corium. No abnormal pigments were observed.

Serous cavities. Ascites was invariable, and fibrous adhesions were common around the liver and spleen. In one case the pleural cavities were normal, but in the rest they were either obliterated by edematous fibrous tissue or contained small effusions. The pericardia contained 25–100 mL of serous fluid and were otherwise healthy.

Heart. The heart was enlarged in every subject, all chambers being dilated and hypertrophied (Figure 1). Both sides of the heart were equally involved in all but one case, in which there was greater dilatation of the right side. The weight of the hearts and the percentage ratio to total bodyweight are listed in Table I.

[Table with title:] Table I. Summary of Pathological Findings in Twelve Cases with Heart Failure Due to Malnutrition. (See original for data.)[spacer height=”20px”] [Photo of diseased heart, with caption:] Figure 1. The typical generalized dilatation and hypertrophy of the heart found in these patients. Case 8. 1/2X. (See original for image.)[spacer height=”20px”] [Photo of diseased heart, with caption:] Figure 2. The left ventricle has been opened to demonstrate mural thrombi adherent to the endocardium over the septum and apex. Case 9. (See original for image.)[spacer height=”20px”]

Ventricular thrombi adherent to the apical or inferior mural endocardium were found in five patients (Table I). These were recent and confined to the interstices of the trabeculae carneae. The underlying myocardium was not recognizably abnormal. In two cases (9 and 12), however, conspicuously larger thrombi, measuring up to 4 cm in diameter, coexisted (Figure 2). These were pale and firmly adherent to the trabecular and mural endocardium, whence fibrous bands permeated the superficial layers of the myocardium underneath. Fibrosis of this kind was confined to the immediate neighborhood of the endocavitory thrombi. Thrombi were also present in the atrial appendages in seven of the twelve cases.

No significant lesions were found in the valves or cusps. The coronary arteries were invariably patent. In a few of the older patients, minimal atheroma was observed, but in no instance did this significantly encroach on the lumen. Petechial hemorrhages were noted in the epicardial tissues in a quarter of the cases. In one patient (Case 3) there was a right-sided aortic arch with left-sided descent.

On microscopic examination the myocardium showed hypertrophy of the muscle fibers, which contained large, irregular, hyperchromatic nuclei, this change being more marked in the ventricles than in the atria. In several cases there was “intracellular edema,” especially in the subendocardial region, sometimes giving the muscle fibers a ” moth-eaten” appearance. No hydropic degeneration or loss of cross striation was observed. (The terms”intracellular edema” and “hydropic degeneration” often appear to be used as if they are interchangeable. The former expression is used here to imply edema of the muscle cell, revealed by considerable separation of the myofibrils; this is a nonspecific change observed in many types of heart failure. The latter is confined to vacuolation of the muscle fibers with droplet formation, the vacuoles not reacting to stains for fat and glycogen.) A moderate degree of interstitial edema was found in many cases. In nine hearts a fine, poorly staining interstitial fibrosis was noted in the ventricular myocardium (Figure 3). This was patchy in distribution, frequently perivascular, and tended to be most obvious in the subendocardial region. Myocardial lesions were more advanced in four patients (Cases 2, 6, 9, and 12), where areas of fibrous scarring measuring up to 2 mm2, associated with complete loss of muscle, were found (Figure 4).

[Photo of microscopic cross section, with caption:] Figure 3. This section shows poorly formed, edematous collagen fibers extending between the muscle cells, many of which have large, hyperchromatic nuclei. H. and E., 375X. (See original for image.)[spacer height=”20px”] [Photo of microscopic cross section, with caption:] Figure 4. Focus of myocardial fibrosis in left ventricle. Case 9. Masson, 66X. (See original for image.)[spacer height=”20px”]

Small foci of lymphocytes, polymorphs, and mononuclear cells were also observed diffusely infiltrating between the muscle fibers in Cases 2 and 11 (Figure 5). In one patient only (Case 11) was fatty degeneration of the myocardium observed, and that was of minor degree.

[Photo of microscopic cross section, with caption:] Figure 5. Small focus of interstitial lymphocytic and mononuclear cell infiltration in right ventricle. Case 2. H. and E., 132X. (See original for image.)[spacer height=”20px”]

In four of seven cases where the atria were examined in detail, minute areas of focal fibrosis were observed. This was usually of the fine, interstitial type, but in two cases it was more pronounced (Figure 6).

[Photo of microscopic cross section, with caption:] Figure 6. Area of fibrous scarring in right atrium. Case 10. H. and E., 132X. (See original for image.)[spacer height=”20px”]

The ventricular thrombi were organized to a varying degree. Some were recent and adhered to the endocardium in only a few areas where early invasion by young fibroblasts and capillaries was beginning (Figure 7). The deeper parts of others were completely organized and showed foci of old hemorrhage and infiltration by lymphocytes, plasma, and mononuclear cells. These thrombi were firmly attached to the endocardium (Figure 8). The underlying myocardium, however, was essentially normal except for the focal scarring and interstitial fibrosis referred to above. No evidence of myocardial infarction was found. In two cases (9 and 12), the changes in some thrombi were more advanced and had obscured their relationship to the endocardium. The thrombi showed dense fibrosis, with hyaline change in parts, and merged with the endocardium, whence thick bands of fibrosis penetrated the underlying myocardium. Between the fibrous bands, degenerated myocardial fibres were visible, some apparently derived from the trabeculae carneae, others from the endocardial portion of the ventricular wall. The atrial thrombi showed a similar variation in the degree of organization.

[Photo of microscopic cross section, with caption:] Figure 7. Section of recent mural thrombus in ventricle showing early organization. Case 9. H. and E., 66X. (See original for image.)[spacer height=”20px”] [Photo of microscopic cross section, with caption:] Figure 8. Section of organized endocardial thrombus. No significant lesion is present in the underlying myocardium. This photograph demonstrates the position of the thrombus between the interstices of the trabeculae carneae. Case 9. H. and E., 66X. (See original for image.)[spacer height=”20px”]

In no case was excessive hemofuchsin present nor could hemosiderin be demonstrated histologically. By Bests’ Carmine stain, glycogen was not excessive in the heart, including two samples of cardiac muscle obtained by special cannula immediately after death. No lesion was found in the region of the conducting bundle apart from “intracellular edema.” In no instance were Aschoff nodules or other evidence of rheumatic carditis discovered.

Minimal fibrous hyperplasia of the intima was found in the main branches of the coronary arteries in several cases. This change was not more marked than in otherwise normal hearts that were used as controls. The smaller arteries and arterioles were completely normal.

Femoral veins. In three patients these veins contained antemortem thrombi.

Lungs. The lungs of all patients were congested and edematous. Five had pulmonary infarcts of varying age. In two of these, thrombi coexisted in the femoral veins and right atrium. Of the remainder, thrombi were found in the heart of two patients and femoral veins of one. Death was due to acute pulmonary embolism in Case 8. On microscopic examination varying degrees of passive venous congestion were observed, and the presence of hemorrhagic infarction was confirmed. In two cases healed tubercles were found in the apices of the lungs and hilar lymph glands. No evidence of bronchiectasis, emphysema, schistosomiasis, or primary pulmonary vascular disease was found in any patient.

Liver. The liver was invariably congested and had a nutmeg appearance in those patients who had been in failure for a long time. In seven cases the cut surface had a brown color and gave a positive Prussian blue reaction. Microscopically, there was passive congestion and distension of the sinusoids in the center of the lobules, associated in some cases with atrophy of the surrounding liver cells and slight fibrosis. In addition there was histological evidence of primary liver disease in all patients but one. The portal tracts showed varying degress of fibrosis, with lymphocytic, mononuclear, and plasma cell infiltration. These changes had advanced to a well-developed multilobular cirrhosis in Case 3. In seven of the eight males and in one female case, there were hemosiderin deposits in the parenchymal cells, Kupffer cells, and portal tracts (Figure 9). There was no apparent correlation between the amount of pigment and the degree of portal fibrosis. Fatty change in the peripheral cells of the lobules was usually absent and when present was minimal.

[Photo of microscopic cross section, with caption:] Figure 9. Section of liver showing centrilobular passive venous congestion. Hemosiderin deposits may be observed in the portal tracts. They are also present in the parenchymal cells but cannot be distinguished in this photograph. Case 6. H. and E., 66X. (See original for image.)[spacer height=”20px”]

Spleen. The spleen showed passive venous congestion on gross and microscopic examination. In those cases with hemosiderosis of the liver, it had a rusty brown color, and heavy hemosiderin deposits were noted in the pulp and occasionally on the fibrous trabeculae. In Case 4 there was a thrombus in the splenic artery, with infarction of the whole organ.

Pancreas. No significant pathological lesions were observed on sections of the pancreas, but a slight interstitial fibrosis was sometimes present, and scanty iron deposits were noted in two cases, with severe generalized hemosiderosis. In all cases the necropsy was performed too long after death for satisfactory examination of the islet cells.

Suprarenals. These glands were of normal size and showed no abnormality. This was confirmed on section, and in only one case was a slight amount of iron pigment observed in the interstitial tissues. The quantity of lipoids stained by Sudan IV appeared within normal limits.

Kidneys. In all cases the kidneys were congested. On section no lesions were observed in the glomeruli or vessels, diagnostic of renal or hypertensive disease, but in some of the older patients, slight intimal fibrous hyperplasia was observed in the large and medium sized arteries. In Case 7 there was a hydatid cyst, which had a thick fibrous wall and contained several daughter cysts. In four cases there were thrombi in branches of the renal arteries, with resultant infarction of the corresponding tissues. The rest of the genitourinary tract showed no abnormality.

Gastrointestinal tract. The stomach in all cases appeared normal. In the severely hemosiderotic cases, the duodenal and jejunal mucosa was of a rusty brown color and gave a strongly positive Prussian blue reaction. This reaction was less intense in the lower portion of the jejunum and was absent in the ileum and large bowel. On microscopic section of the jejunum, numerous iron-laden macrophages could be detected in the substantia propia of the villi (Figure 10). The salivary glands when examined showed no abnormality.

[Photo of microscopic cross section, with caption:]  Figure 10. Section of jejunum showing very heavy hemosiderin deposits in the mucosal villi. Case 6. H. and E., 132X.[spacer height=”20px”]

In the hemosiderotic cases, the retroperitoneal lymph nodes had a rusty brown color and showed massive hemosiderin deposits on section.

Brain and spinal cord. In two cases (9 and 10), infarction of the cerebral cortex was observed. These lesions were the result of peripheral emboli, and no primary lesions were found in the cerebral vessels. In Case 6 a few scattered pericapillary hemorrhages were present in the cortex, but, since no other changes were found apart from severe congestion, these were interpreted as terminal congestive phenomena. The organ in the remaining cases showed only moderate congestion.

No specific pathological lesions were found in the thyroid, pituitary, or testes.

Summary. All cases showed clinical and pathological evidence of heart failure. Postmortem, the heart was dilated and hypertrophied, but marked myocardial changes were absent except in four cases, where some focal fibrous scarring was present. Mural thrombi and peripheral emboli were associated findings. In eight cases generalized hemosiderin deposits were present.

Discussion of Possible Causes That Are Excluded

All these patients had some degree of cardiac failure when they died, but neither the clinical nor pathological findings permitted their inclusion in one of the established groups of heart disease. In making a diagnosis in an anatomical sense, the necropsy material was critically examined for all lesions thought to be capable of causing heart failure. The salient facts concerning the most relevant will now be discussed.

Coronary artery disease. In most cases no significant lesion was found in the coronary arteries, but in a minority there was minimal hyperplasia of the intima that did not encroach on the lumen. Thrombosis, severe atheroma, and arteriosclerosis were absent and cannot therefore have caused this heart failure. Coronary artery disease is excessively rare in the Bantu, and Becker (1945) was able to report only one case of myocardial infarction in a pure Bantu in over three thousand consecutive necropsies on Colored and Bantu subjects. We ourselves have seen only two cases of coronary thrombosis in over three hundred necropsies in Bantu patients dying of cardiovascular disease, and the clinical diagnosis of ischemic heart disease was only tenable in two others. The mural thrombi that we have described were superficial and not secondary to underlying myocardial necrosis.

Renal disease and essential hypertension. As stated previously (Gillanders, 1951), a raised arterial blood pressure was not unusual when the patient was in congestive failure, but [the blood pressure] returned to normal level with clinical improvement. In no case were significant histological renal lesions observed. In the older patients, minimal vascular changes were found, which were not diagnostic of former hypertension but were consistent with increasing age. Bell (1950) found similar lesions in 90 percent of kidneys of patients with normal blood pressure [who died] in the fifth decade. Nor do we regard the hydatid cyst from Case 7 important in this respect, since the patient was not hypertensive in life. Classical concentric hypertrophy of the left ventricle was never observed. Although hypertrophy of the right ventricle occurs in prolonged left ventricular failure, in our series dilatation and hypertrophy of this ventricle appeared to occur concomitantly with that of the left. This was so by both clinical and pathological criteria.

Rheumatic carditis and other valvular diseases. No evidence of rheumatic carditis or other valvular lesions was found by gross and microscopic examination.

Chronic lung disease. The morbid anatomical appearance of the heart was not that of cor pulmonale. Apart from the minor, healed tuberculous lesions observed, no other evidence of primary lung disease was found. There was no sternal depression nor other thoracic deformity. The pulmonary vascular system was intact, and evidence of schistosomiasis was absent.

Syphilis. The serological tests for syphilis were negative, and no sign of this disease was found either clinically or at necropsy.

Glycogen storage disease. Most patients showed abnormalities of carbohydrate metabolism reminiscent of Von Gierke disease (Gillanders, 1951). In no case, however, did the histological findings simulate this disease, and abnormal glycogen storage was absent from heart muscle and liver cells. Further, excessive glycogen storage is essentially a disease of infancy or childhood.

Anemia, polycythemia, thyrotoxicosis, amyloidosis, and congenital defects were never found, nor [was found] evidence of upper respiratory or other, undetermined viral, bacterial, or protozoal infection.

Hemosiderosis and hemochromatosis. Sheldon (1935) reported that where the heart had been examined, 90 percent of cases of classical hemochromatoisis showed hemosiderin in the myocardium and an excess of hemofuchsin as well. Further, although only rare cases of heart failure attributed to hemochromatosis have been described, iron deposits in these hearts were considerable (Horns, 1949; Griffin et al., 1950). In none of our cases was iron demonstrable in the myocardium, and the quantity of hemofuchsin was normal, although there were massive deposits of hemosiderin in the abdominal organs of seven patients.

Generalized hemosiderosis may be classified as idiopathic, nutritional, hemolytic, or due to excessive parenteral administration of iron (Finch et al., 1950). The hemosiderosis of the South African Bantu is believed to be of the nutritional type (Gillman et al., 1945). It has been shown experimentally in rats that an unbalanced diet of maize grits and excessive ferrous citrate is followed by iron deposits in the tissues (Kinney et al., 1949). That diet may also be responsible for excessive iron deposition in man, as suggested by reports of hemochromatosis occurring in malnourished German prisoners of war from Russia (Kalk, 1950). Walker and Arvidsson (1950) have shown that considerable iron is available in the diet of the Johannesburg Bantu. In 100 consecutive liver biopsies from patients at this hospital (56 male and 44 female) with the stigmata of chronic malnutrition, 77 percent of males and 41 percent of females showed varying degrees of hemosiderosis; in 44 cases of this type of heart failure, the proportions were similar. Accordingly, we do not believe that hemosiderosis is per se the cause of heart failure in these patients.

Isolated myocarditis. It is unlikely that the disease referred to as Fiedler’s, or isolated, myocarditis is a specific entity, since the reported clinical and pathological findings vary greatly. Cellular infiltration and necrosis of the myocardium have been emphasized by several authors (Karsner, 1942; Saphir, 1942). Others have described fibrous scarring of the myocardium with little or no cellular infiltration (Smith and Furth, 1943; Biggart, 1950). Smith and Furth discuss the papers on this subject and suggest that the cases described by them are based on a nutritional deficiency. In reported cases of isolated myocarditis, all gradations in the histological picture are described, even in the one heart [sic], from severe muscle necrosis and cellular infiltration to slight fibrosis. In our patients, however, we found significant scarring in only four cases and minor cellular infiltration in two. In the remainder muscle necrosis and scarring were not a feature and fibrosis was of a fine interstitial type.

Biggart (1950) believes that the primary lesion in isolated myocarditis is muscle necrosis, the products of degeneration giving rise to the infiltrate. If this is true, it is possible that when muscle changes are not severe and there is no myocardial degeneration, cellular infiltration may be absent. Unfortunately, we are often unable to demonstrate myocardial damage by histological methods in heart disease of other etiology, even where such damage must exist by accepted standards. We see, however, no advantage in applying either of the terms isolated myocarditis or idiopathic cardiac hypertrophy (Levy and Glahn, 1944), although the present series have some pathological features in common with many cases reported as such.

Beriberi heart disease. The view prevails that thiamine deficiency may be the cause of cardiovascular dysfunction in man, and cases where this is proven to be so may accurately be referred to as examples of beriberi heart disease. But upon examination of the reported cases, the clinical features are clearly variable, as is also the therapeutic response to thiamine (Wenckebach, 1928; Weiss and Wilkins, 1936 and 1937; Kuo, 1939; Dock, 1940; Smith and Furth, 1943; Blankenhorn, 1945; and Alleman and Stollerman, 1948).

The pathology of beriberi heart disease has been discussed by Aalsmeer and Wenckebach (1929), Wenckebach (1934), Vedder (1938), Weiss (1940), and several of the above authors. The earlier authors stressed the degree of right ventricular failure and the dominant dilatation of the right heart; histologically, their emphasis was on hydropic degeneration of the myocardium. Weiss and Wilkins (1937) found both right and left heart failure in their cases; they further remarked that hydropic degeneration and intracellular edema of the myocardium were not histological findings specific to beriberi but may be found in heart failure from other causes. This also has been our experience. That myocardial hypertrophy may occur in beriberi heart disease has been stated by Weiss (1940).

The experimental results of thiamine deficiency in animals are varied, and Wintrobe (1945) stated that the cardiac pathology induced in pigs does not correspond to that described in man. Nor, apparently, does the human lesion correspond to that described in other animals (Ashburn and Lowry, 1944; Pecora et al., 1950). It is of interest that Follis (1942) was able to prevent the myocardial necrosis caused by a potassium deficiency in rats by [feeding them] a diet with a low thiamine content.

It is obvious, therefore, that the exact nature of “beriberi” heart disease in man is obscure, some authors describing a clear-cut clinical picture with a good response to thiamine, others using wider diagnostic criteria and reporting no therapeutic effect of thiamine. Nor are morbid anatomical findings any more specific.

Discussion of Chronic Malnutrition as the Cause

It has been established that the etiological background in this form of heart disease is chronic malnutrition (Gillanders, 1951). The postmortem findings are in accord with this conclusion.

The natural diet of these patients is qualitatively inadequate. It is lacking in animal protein and is unbalanced in amino acids, and its carbohydrate content is disproportionately large and contributes the greatest part of its calorific value. The imperfection of the diet is not reducible to a single nutrient, nor have we been able to establish that deficiency of any single food factor is the cause of this syndrome. Clinically, all patients had parenchymal liver disease by existing criteria. Histological liver damage was lacking in only one of the present series and in only five of the forty-four cases examined by liver biopsy and referred to previously; these liver changes were of a type believed by Gillman and Gillman (1951) to be a result of chronic malnutrition. We do not, however, believe that current histological methods adequately reflect physiological dysfunction. Moreover, even where clinical recovery from heart failure is complete, hepatic dysfunction persists, and biopsy reveals no histological retrogression in the primary liver disease. The part, however, played by the liver in the metabolism of the heart and its role in the genesis of this syndrome are problematical.

Although the lesions of chronic malnutrition and dietetic deficiency have been extensively studied in the liver, little is known about their effects on the cardiovascular system, with the exception of thiamine and potassium lack in animals. Acute and subacute starvation are known, however, to cause atrophy of the myocardium, in common with other organs. We conclude that etiological malnutrition, in so far as the heart and circulation are concerned, must be of long duration (Gillanders, 1951). We also believe that although subnutrition is a dominant etiological influence, other (perhaps positive) environmental circumstances may contribute to the end result.

In some patients, apart from hypertrophy, the pathological changes in the myocardium were slight and nonspecific. The fine interstitial fibrosis observed was of a patchy distribution and possibly the result of interstitial edema and chronic heart failure. In the four patients where scarring was more obvious, however, the histological features were those of focal muscle necrosis and degeneration, with replacement fibrosis. In Cases 9 and 12, the myocardial fibrosis in the region of the thrombi was interpreted as secondary to organization of the thrombi and not [to be] their cause. The severe and widespread su-endocardial fibrosis in nonhypertrophied hearts described by Davies (1948) in patients from Central Africa was never observed.

Although the primary stimulus to cardiac hypertrophy is unknown, the association of hypertrophy with other changes in the heart are sufficiently constant to imply a causal relationship. It has been demonstrated experimentally by Eyster (1928) that hypertrophy follows cardiac dilatation, and Harrison and Wood (1949) have shown that cardiac hypertrophy in ischemic heart disease is a function of the duration of congestive failure. Both these hypotheses may be the expression of a single cause. In our patients we incline to the view that cardiac hypertrophy is a reflection of chronic heart failure. The difficulty, however, in obtaining from these patients accurate records of the duration of symptoms precludes us from attempting to correlate these with the heart weight.

The origin of the mural thrombi is obscure, and we are not entirely satisfied that present-day concepts adequately explain their formation. It may be that changes in the blood flow, with consequent eddying, may be largely responsible.

It is clear that while as yet no specific histological lesions can be ascribed to this syndrome, a characteristic pattern is observed postmortem. The pathological diagnosis should be considered in this country in those cases where there is evidence of congestive failure in association with cardiac enlargement, visceral infarction, and liver damage but without the commonly accepted causes of cardiac failure.


The urbanized South African Bantu suffers from a form of heart disease that we believe is based on chronic malnutrition.

The pathological features in a representative group of twelve fatal cases of this kind are described. Although no specific histological lesions were found, a distinctive pathological pattern was recognizable. In all cases the hearts were dilated and hypertrophied. Other myocardial lesions were inconspicuous, except that in four cases minute foci of fibrous scarring were found. Endocardial mural thrombi were observed in approximately half the patients, and peripheral emboli were equally frequent. In all cases but one, primary liver injury was demonstrated histologically, and in two-thirds hemosiderin deposits were widespread.

The morbid anatomical findings are discussed with reference to the etiological diagnosis.

We are indebted to Mr. F.A. Brandt of the South African Institute for Medical Research for the photographs in this paper and to those house physicians who assisted in the collection of clinical data.

By J. Higginson, A.D. Gillanders, and J.F. Murray, Baragwanath Non-European Hospital and South African Institute for Medical Research, Johannesburg, South Africa. British Heart Journal, Volume XIV, No. 2, April 1952. Printed originally in Great Britain by William Clowes and Sons Limited, London and Beccles, London British Medical Association, Tavistock Square, WC1. Reprinted by the Lee Foundation for Nutritional Research. Received for publication August 26, 1951.


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Reprint No. 74
Reprinted by Lee Foundation for Nutritional Research
Milwaukee 3, Wisconsin

Note: Lee Foundation for Nutritional Research is a nonprofit, public-service institution, chartered to investigate and disseminate nutritional information. The attached publication is not literature or labeling for any product, nor shall it be employed as such by anyone. In accordance with the right of freedom of the press guaranteed to the Foundation by the First Amendment of the U.S. Constitution, the attached publication is issued and distributed for informational purposes.

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