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,and elaborate provision which their sewage worksalready contain. The Royal Commission on SewageDisposal, whose recommendations seem to have beenentirely ignored, reported that the purification oftrade effluents by the local authority is practicable " inthe great majority of cases."
Annotations.
SIR JOHN MACALISTER.
" Ne quid nimis."
Sir John MacAlister, alike by his strenuous work andhis sympathetic personality, so impressed himselfupon the regard and affection of a very large rangeof medical men that it has been a natural idea onthe part of his family to compile for private issue asmall volume in his memory. The volume is not,and is not intended to be, a biography, though thehistory of his life emerges from the large assortmentof obituary notices published in the general andmedical press and the library periodicals which formthe bulk of the compilation. These notices are supple-mented by a collection of resolutions from variouspublic, medical, and literary associations, and byextracts, signed and unsigned, from numerous lettersof sympathy of a personal character. The little volume,which contains several excellent portraits, will fill.exactly the purpose which the family had in mind.It is a tribute from all sorts and conditions of menwho were brought into contact with John MacAlister’swork, leisure, and aspirations which his friends willbe glad to possess. ____
SUBMAXILLARY SALIVARY CALCULUS.
THE removal of six faceted stones from the sub-maxillary gland, recorded by Mr. W. I. Daggett inour last issue, is an interesting addition to the litera-ture of salivary calculi. This form of stone, whichHamilton Bailey aptly calls1 " the Cinderella of thestones to which human secretory and excretorymechanisms are heir," is not uncommon, though therelatively minor disabilities to which it gives rise incomparison with other varieties of calculus havedetracted from its surgical importance. Yet both inregard to size and to the remarkable way in -whichthe six stones fitted one another Mr. Daggett’s caseis unusual. By a striking coincidence Sir JamesBerry, in the British Journal of Surgery for April, hasrecorded a case of submaxillary calculus which hadundergone spontaneous fracture into three pieceswith eburnation of the broken surfaces. The questionnaturally arises whether this case might also belooked upon as one of three calculi with facetedsurfaces, or, conversely, whether Mr. Daggett’sexample might not be one of spontaneous fracturewith eburnation of the surfaces. The answer is noteasy. If it is difficult to imagine spontaneous fractureof a calculus in the gland, unless there was somedefinite history of injury which might render itpossible, it is also difficult to envisage the conditionswhich could lead to the formation of several stonesin different parts of the gland, with interveninggland tissue which gradually became destroyed, as
Mr. Daggett suggests. Until we know the actualcause of the formation of calculus in the salivaryduct or gland such aberrations of the usual type ofstone as this must remain pathological curiosities.It is noteworthy that in Mr. Daggett’s case therewas a history of 18 years’ development, while inSir James Berry’s case there was evidence to showthat the condition had been developing over a periodof 29 years. The absence of symptoms in the lattercase is in striking contrast to the former in whichthe periodic swelling and pain with inflammatorychanges were in accordance with the text-bookdescription of the condition.
1 Brit. Jour. Surg., October, 1924.
TRYPARSAMIDE IN THE TREATMENT OFNEUROSYPHILIS.
THE new arsenical compound tryparsamide has nowbeen tried for the treatment of syphilis, and particularlyneurosyphilis, in many countries. Observations havebeen published by workers in France, Germany, andthe United States, and we print this week a detailedreport by Dr. J. D. Silverston to the Medical ResearchCouncil of his experiences with the new treatmentat the Whittingham Mental Hospital, Preston,and an abstract of a report by Dr. M. Brown andDr. A. R. Martin to the Glasgow District Board ofControl. Extensive trials made at the Mayo Clinic,Rochester, U.S.A., were put on record by J. H. Stokesand L. F. X. Wilhelm two years ago, and P. A.O’Leary and Becker, who continued their work,were able in March last to include observations on207 patients, of whom 113 had received at least twocourses of tryparsamide each consisting of ten injec-tions. In their 50 cases of early general paralysis,treated with the new drug with the addition of mercuryor bismuth, 12 per cent. showed definite remissions-a figure, they point out, not appreciably higherthan the proportion of spontaneous remissions;66 per cent. of their patients were better in one ormore ways, some of them only subjectively. Improve-ment in the state of the blood and cerebro-spinal fluidas judged by specific reactions occurred in 32 per cent.,and in 20 per cent. the spinal fluid reactions becamenormal. These serological effects were more markedthe more prolonged the treatment, and in a numberof cases tryparsamide produced definite serologicalimprovement when other preparations had failed todo so. In fact, it seemed that tryparsamide wasbeneficial chiefly as a
" finishing-off " remedy aftercourses of treatment with other drugs, for when itwas given alone to patients who had had no previousantisyphilitic treatment only five out of 35 showedany response. O’Leary and Becker group in a separateclass 15 cases of G.P.I, without paralytic symptoms;in one of these patients the cerebro-spinal fluid becamenegative to specific tests, but in the others there waslittle improvement except such as resulted from thegeneral tonic effect of the drug. In cases of tabesdorsalis the results were disappointing ; the promiseof relief in gastric crises held out by certain observa-tions of Stokes and Wilhelm was not fulfilled. In14 cases of disseminated sclerosis and of combinedsclerosis the new treatment was without benefit. Dr.Silverston has not so many cases to record, but hisobservations include patients in whom tryparsamidewas used as an adjunct to treatment by malaria, andhe is able to compare groups treated by tryparsamidewithout and with fever treatment. The former com-prised eight cases of G.P.I., and of these two, whichwere early cases, showed complete remission. In oneof them after 20 injections the Wassermann reactionbecame negative in the blood and cerebro-spinal fluidand the colloidal gold reaction became normal, butin the other the Wassermann reaction remainedpositive in both fluids and the colloidal gold reactionwas little changed. Of the seven cases treated withtryparsamide after malaria two again were early cases,and both showed clinically complete remission of thedisease, while one more advanced case improved.Neither the clinical nor the serological results are
considered by Dr. Silverston any better than thoseobtained by malaria alone. With more advanced casesof the disease the treatment presented difficulties andwas disappointing. Of the 13 cases of neurosyphilistreated at the Gartloch Mental Hospital by Dr. Brownand Dr. Martin under laboratory control with a fullcourse of tryparsamide alone, all except two benefitedin some degree; five steady and useful workers wereable to return to their homes. Three other advancedcases died during the treatment but no toxic dis-turbances were noted and gain in weight was therule. At the Pretoria Mental Hospital, Dr. A. Pijperand Dr. E. D. Russell have found 1 a combination of
1 South African Medical Record ,April 24th, 1926.
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tryparsamide and mercuric salicylate effective in casesof early paresis and tabes.
The use of tryparsamide is not free from untowardeffects, to which several writers have called attention,the most serious of these being visual impairment,transient or permanent. It is often difficult, however,to decide in what degree this impairment is to beattributed to the syphilis and in what degree to thedrug. O’Leary and Becker recorded visual defectsduring treatment in 10-6 per cent. of their patientswith objective e findings in the fundi in 4-3 per cent.and persistent functional impairment in more thanhalf of these. Their experience is that even subjectivedefects, without apparent changes in the fundi, arenot to be lightly regarded. In Dr. Silverston’s casesfour patients out of a total of 20 complained of dimnessof vision, and in one of them a slight defect becamepermanent. It would appear from comparison ofthe reports up to date that for the majority of casestryparsamide has no proved advantage over the moretried arsenical compounds. Tryparsamide injectionsare available for those not suited to the risks of malarialtreatment, but the visual complications offer a hazardwhich it has not been possible to obviate.
DULL AND BACKWARD CHILDREN.EDUCATIONAL authorities in different parts of the
country are showing themselves alive to the impor-tance of the problem of dull and backward children,as distinct from that of mentally defective children,for whom legislative provision has been made, andfor whom also educational opportunities are in manyareas available. The County Borough of Hudders-field has issued an account of an inquiry by its medicalofficer, Dr. S. G. Moore, into this problem. He tookas the subjects of his inquiry all children who wereone or more classes behind others of their age, con-stituting, as he found, 3.14 per cent. of the totalnumber of children in the schools. This figure isconsiderably below the 10 per cent. suggested byestimates and actual inquiries in other areas, and it isprobable that a large number of backward childrenhave been missed, who, owing to the prevalence ofthe system of promotion by age, irrespective of merit,are actually working in the classes of the averagechildren of their own age. The object of the investiga-tion was to determine how far backwardness was dueto inherent dullness, and how far to other causes-physical defect or disease, irregular attendance atschool, faulty grading, mental attitudes to schooland teacher. Dr. Moore used the Stanford-Binetscale of intelligence tests, and his results are some-what startli112:, for they show, taking an intelligencequotient of 90 as a lower limit of normality, that,out of 288 children examined, 18I were either normalor actually superior in intelligence. It is generallyrecognised that among these children educationaldeficiency is greater than intelligence defect, butDr. Moore’s figures are so striking as to suggest eithersome flaw in our educational methods or in our meansof testing intelligence. Dr. Moore employed a furthertest, apparently designed by himself, to try
" the powerof the child to recognise incongruities and the pro-portional relatioz2ships between two or more relatedthings." He does not state the nature of the test, butif it has not been itself previously tested and standard-ised by trial upon normal children, it is not convenientto make it the basis of a conclusion so contrary togeneral experience as he does-viz., that out of288 backward children examined, the backwardness ofonly 6 was accounted for by inherent mental dullness.The others are explained by either personal bodilycondition or environment, but it is pardonable todoubt whether defective eyesight, for instance,unless of high degree, is in itself ever a potent causeof backwardness, or whether a general condition ofill-health, such as malnutrition, is so much a cause ofbackwardness as it is along with backwardness aresult of an inherently feeble stock, physically andmentally. In some quarters there is a tendency toexaggerate the rôle of heredity. Dr. Moore tends
to the other extreme, and as far as can be seen fromthe data in this report, on inadequate grounds.His protest against too early labelling of children as" inferior " or " deficient " will elicit much sympathy,but that is scarcely sufficient reason for denying tothese children the benefit of the special teaching theyrequire. The less backward cases might, as he suggests,be dealt with by correct grading in the standards,but the needs of the more severe cases, as of thefeeble-minded, can only be adequately met by classesand schools with special curricula.
ALIMENTARY HYPERGLYCÆMIA.
IN our issue of Sept. 18th we published someinteresting observations by Dr. C. D. Shapland onthe effect of the ingestion of cane-sugar on the blood.The subject is of such importance that all newobservations are worthy of record and close study.The alimentary glycosuric test put forward in 1885by Corlat for a long time held the field as a meansof investigating hepatic glycogenesis, but has beensuperseded by the test of alimentary glycfemia broughtinto notice in 1908 by A. Gilbert and A. Baudoin.Further experiments have lately been published byDr. P. Introzzi, of Pavia, which have brought someinteresting facts to light and supplement those ofCammidge, H. Gray, and others. The method
employed was to give the patient fasting in themorning from 40 to 100 g. of sugar (glucose, laevulose,or lactose) dissolved in 100-200 c.cm. of water,having previously taken some blood from the fingerfor examination. Further samples of blood are
taken regularly at half-hourly intervals for fourhours, the patient being kept in bed and withoutfood. It is thus possible to obtain a curve indicativeof the glycsemic reaction composed of an ascendingphase, a descending phase, and sometimes of a
plateau placed between these two. The typicalcurve which is observed in a healthy individualshows that the saccharine content of the blood,temporarily modified by the administration of evena small quantity of a monosaccharide, promptlyregains equilibrium after a phase of rapid ascent,reaching a moderate height always in relation tothe amount of sugar taken after 30-40 minutes. Thisis preceded by a phase of descent also rapid, followed,however, by a brief phase of hypog’lycaania, afterwhich the saccharine content promptly returns toits primary value. The total duration of the reactionshould not exceed two hours, in which time the
glyco-regulating mechanism, if it is functioningnormally, should rapidly free the organism, or
rather the blood, from an invasion of sugar whichwould keep it in a state which is not normal. If thephase of ascent in the curve is prolonged to excess,if the summit is too high or with a plateau, if thedescending phase is too slow or with a phase ofhypoglycaemia out of proportion to the hyper-glycsemia, if there are marked oscillations or thetotal duration of the reaction is unduly long, that isevidence of some insuniciency in the glyco-regulatingmechanism. In the cases examined by Dr. Introzziwere included affections of the liver, of the thyroid,and mild diabetes, and they all showed in a moreor less striking manner, when submitted to the testof hyperglycsemia, a deviation from the normalcarbohydrate metabolism. In liver disease in generalthe glycaemic content while fasting was not abovenormal (1 per 1000), except in one case of largesyphilitic liver with splenomegaly and one of chronicjaundice and ascites from a tumour of the head ofthe pancreas, in both of which the content wasI -36 per 1000. In affections of the thyroid lI3ace-dow’s disease and simple goitïe), the values foundwere not above normal. Thus a normal contentduring fasting does not exclude a potentially com-promised glyco-regulating mechanism, while markeddeviations from normal are always found by the
1 I Problemi della Nutrizione. Giornale di Fisiopatologia diClinica e di Dietetica. Rome. February-May, 1925.