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FILE NAME State of the Art Literature SAL DATE 1957 DOC SAL066 DOCUMENT DESCRIPTION Journal Article Abstract - Asbestosis with Pleural Calcification among Insulation Workers ABSTRACTS OF MEDICINE oto WORLD . .. : Cre / - : a7 Pree 7 af anx Ban! vy te JR a aos LONDON ~ BRITISH MEDICAL ASSOCIATION TAVISTOCK SQUARE W.C.I a E EMN ACGR Soar ac ns Re Ea a ego aN a SEW! aE CO : " 4 aa, SwIig RE Pada a iN aft at ABN aa) dune creat oh NON ee ALA Oe ted ree PUBLIC HEALTH AND INDUSTRIAL MEDICINE 359 INDUSTRIAL MEDICINE Fistrict have zal hygiene nds of un- ministrative abolition of 1 charge of ministrative to hygiene giene work : the system aller towns Crawford Services in ----, --,-- BpeMen----H , --,-- --" 12 Sovetsk 156 Asbestosis with Pleural Calcification among Lasulation Workers J. Frost J. Georg and P. F. M^,ller Danish Medical Zulletin Dan med Bull 3 202-204 Nov. 1956 ~gs17 refs ; Experience in many countries has established that orkmen employed in the lagging of pipes and boilers my contract pneumoconiosis in the course of their mployment Lagging materials vary in composition mmon ingredients are kieselguhr magnesia and sbestos and in more recent years rock wool and glass 200l About 100 laggers are employed in the shipyards nd factories in and around Copenhagen The authors namined 31 of these workmen who had been engaged for 20 years or more in the processes and 9 were found to have definite signs of asbestosis In addition 19 showed abnormalities of the pleura and in 11 of these here was calcification of the pleura which was bilateral --a " cases The main purpose of the authors of this paper was to exord the condition of calcification of the pleura in sbestos workers they having found only one previous xf^rence to such a case Jacob and Bohlig Fortschr diastolic pressure above 90 mm Hg was frequent the ECG usually showed disturbance of rhythm and there was one case of simple ventricular block It is concluded that cardiovascular changes are signi- ficantly frequent in both acute and chronic lead poisoning In the initial stages these changes are functional arteriolar spasm and therefore reversible they are represented clinically by arterial hypertension transitory at first but leading eventually to changes in the renal cerebral and coronary circulation of which coronary spasm in young persons is especially noteworthy In the advanced stages of lead intoxication the arteriosclerotic changes become organic and irreversible Of the cases here reported 38.5 showed a constant hypertension due in some to arteriosclerosis in others to nephrosclerosis Cardiac complications in the form of coronary disturbance or left ventricular insufficiency or both occurred in 21.2 One case only of obliterating endarteritis Buerger's disease was observed Ethel Browning 1158. The Bone Marrow in Occupational Lead Poisoning Il midollo osseo nel 'intos icazionenell'intossicazione professionale da piombo V. Prato and L. FIORINA Minerva medica Minerva med Torino 2. 1937 | 38 refs 1945Dec. 8 1956. 2 figs Kasazhstan tivation the R^ntgenstr 1955 83 515 Since being shown this series of radiographs in Copenhagen in 1954 the At the Institute of Industrial Medicine of the University of Turin stained films of the sternal bone marrow of ements are cm of proh collective arge or one ent work ei ons ean abstracter has seen a series of similar radiographs from usbestos workers in the mines in South Africa The Sense defined shadows are very striking but as yet here is no necropsy evidence which confirms the deposison of calcium salts in the plaques Since dense pleural clerosis can simulate calcification such evidence of the morbid anatomy and pathology of the condition is 24 patients with lead poisoning were examined The subjects were divided into three groups according to their clinical symptoms and length of exposure 1 those who were not regarded as having reached the fully developed phase of poisoning had had only short exposure had suffered from fluctuating abdominal pain and had no anaemia 7 patients 2 those who had needed A. Meiklejohn had acute episodic attacks 11 patients all except 2 Su | That being anaemic and 3 those with a history of long ill hospital ed still less : these new m the training e of work 1157. Cardiovascular Changes in Lead Workers Le alterazioni cardiovascolari nei lavoratori del piombo M. Crepet F. GOBBATO and G. ScanSETTI Minerva . medica Minerva med Torino 2 1910-1918 Dec. 8 1956. 6 figs 37 refs ; exposure and past episodes of intoxication 6 patients of whom only one was anaemic though all showed increased peripheral reticulocytosis reticulocytosis - In the great majority the erythroblastic activity of the bone marrow was more marked than the leucoblastic the ratio being inverted in Group 2. The curve of ? individual - and more The cardiovascular function of 73 persons employed for periods of 4 months to 54 years in work involving erythrocytic maturation was characteristic of a stimulative effect with a higher level of polychromatic than of ster staffed aposure to lead was investigated by routine clinical and orthochromatic erythroblasts Karyokinesis was in- it should be dectrocardiographic ECG examination at the Institute creased in Groups 1 and 2 and polyploidism increase ygiene staff of Industrial Medicine of the University of Turin and in the number of chromosomes in Group 2 but not ent doctor the findings correlated with the results of laboratory to such an extent as reported by other investigators r areas ests which included a full blood examination and the Erythroblasts with basophilic granulation were much Crawford estimation of porphyrins in the urine and blood and in more numerous in cases with severe anaemia and in the ke! The some cases of urinary and blood lead content more acute phases of intoxication And Y and Re- workers were divided into three groups ) those . Granulocytic haematopoiesis was generally unaltered Ak comotion of 7. 100-104 showing signs of lead absorption but no toxic symptoms in those suffering from or having just recovered from acute attack of colic and 3 those with a long history On the whole except in Group , the reaction to lead intoxication in man appears to be stimulative in contrast to that in animals where it has been reported as aplastic of exposure to lead and with a past history of toxic This stimulative effect is regarded as a proliferative re- t Reference mptoms In Group 1 there were neither clinical nor action to an abnormal destruction of erythrozytes by of Health March 1957 ECG changes in Group 2 the blood pressure was raised { during the attack of colic with either bradycardia or a 1 endency to tachycardia and there was some evidence vagal hypertonia in Group 3 hypertension with a lead accompanied by increased rapidity of maturation With the cessation or decrease of haemolysis both these phenomena return to the normal the erythroblastic reaction first Ethel Browning |