349 culosis. In his opinion, the expenditure of time and EXHIBITION OF DRUGS, SURGICAL money had not been justified. The mortality from INSTRUMENTS, FOODS, AND tuberculosis in 1821 was 25 per cent., in 1871, 12 APPLIANCES. per cent. So that, at a time when no preventive measures had been taken, the mortality had fallen to (Concluded from p. 302.) half. Since then, with the advent of the campaign, SURGICAL AIDS ; HOSPITAL AND LABORATORY the mortality had fallen only 3 per cent. He explained EQUIPMENT. the fact that to tuberculosis was an as due this being [21] The Denver Chemical Manufacturing Co. and epidemic disease and that, as in all epidemics, the virulence of the bacillus had been greatly attenuated [25] The Thermogene Co., Ltd. (Haywards Heath, until the disease was now very mild, and in fact Sussex, and Victoria Embankment, E.C. 4), displayed " endemic. In 50 years’ time it might again become their well-known " Antiphlogistine and medicated epidemic. Immunity in his opinion was inherited, wadding respectively for the few who are not already and by way of illustration he cited his experience convinced of their value.-[53] Baird and Tatlock, among negroes who had come to the East-end of London, Ltd. (14-15, Cross-street, Hatton-garden, London. In one half-caste family he had observed E.C. 1), from a large selection of bacteriological, " that the boys, who all had a touch of the tar-brush," pathological, and physiological apparatus, selected for died from tuberculosis, whereas the girls, who had special attention an incubator with a patent registered inherited mostly the characteristics of the white regulator ; Kahn’s outfit for the precipitation test of parent, were still alive. We should aim at producing leprosy and syphilis ; and Horrock’s outfit for detectimmune from tuberculosis. Before people marry they should look into the family history as well as into the banking account. Dr. R. CAMERON (Cardiff) said that early diagnosis was sometimes tragically simple, and in other cases -exceedingly difficult. He pointed out that in Cardiff, during 1926, 527 fresh cases of tuberculosis had been notified and that the number of deaths from the disease was 288. These figures were relatively small, as during the year no serious influenza epidemic had occurred. After giving other interesting details as to the prevalence of the disease, and the housing conditions, together with the number of contacts, he proceeded to the detailed account of a
race
poisons in water.- British DistribuMortimer-street, W. 1) demonstrated the Camp physiological supports, embodying certain patent adjustments designed to give correct anatomical support without undue constriction and with the required pressure and uplift. Special models shown were the " Camp " ptosis support for gastric or intestinal prolapse ; " Camp " visceroptosis support, giving a flattening yet upward-cupping effect, and Camp " post-operative supports.-[29] R. H. Dent (309, Oxford-street, W. 1) had devised several new
chemical tion Co. (52,
ing "
"
"
features of the " Ardente Aid for the Deaf." The wrist-watch pattern, shown last year, has been followed by the " hat-button," which can be pinned the lining of a hat and is remarkably inconinside the early diagnosis of pulmonary tuberculosis, basing his description on Pottenger’s classification of the spicuous. The latest stethoscope is smaller than its can be used monaurally or binaurally, symptoms into pulmonary, reflex, and catarrhal. predecessors, He next emphasised the diversity of the modes of and gives a very clear enhanced sound with complete onset of pulmonary tuberculosis, and finally discussed absence of electrical noises.-[35Fassett and Johnson, the various methods of physical, laboratory, and Ltd. (86, Clerkenwell-road, E.C. 1), were showing again Mead’s rubber adhesive plaster, and radiographic examination. The tuberculin tests were the well-known Gold Cross " absorbent cotton, as well Seabury’s " he to of value not, considered, general as practical plasters, ligatures, and bandages.-[85] General practitioners. Dr. J. R. GILLESPIE (Belfast) thought that the Acoustics, Ltd. (77, Wigmore-street, W. 1), drew " Dime " earsubcutaneous tuberculin test, but not Pirquet’s skin special attention this year to the new of a sixpence and weighing two about the size piece, reaction, was of great value in diagnosis. During ounces, worn without head-band or crook, and leaving the past 15 years he had found 300 cases giving negais very powerful tive results to the test, and of these only five subse- the hands free. The midget battery and gives no distortion.-[15]Theodore Hamblin, It tuberculosis. should be quently developed remembered that a negative tuberculin test did not Ltd. (15, Wigmore-street, W.l), showed ophthalmic instruments and equipment, including the Listermean that the patient would be immune for life. Morton luminous ophthalmoscope ; a new children’s Dr. AMBROSE OwEN (Aberdare) agreed with Dr. astigmatic test by Mr. E. E. Maddox ; the Lawson Kennedy that tuberculosis was on the decline, but self-contained operating lamp for use where no he thought that public health measures had done electric current is available ; and a special display much to decrease the incidence of non-pulmonary of telescopic spectacles for operating and for low tuberculosis. Epidemics of other diseases such as visual acuity.-[13] Charles Hearson and Co., Ltd. influenza were largely instrumental in increasing S.E. 1), showed a wide range of Willow-walk, (68, the incidence of pulmonary tuberculosis. Contrary incubators, ovens, stills, centrifuges, and other to Dr. Kennedy’s opinion, he found phthisis more the " Hellige" laboratory equipment, including acute than it was 15 years ago. Pleurisy and comparator for estimating pH values ; a new " Klett " haemoptysis were not always indicative of tubercolorimeter, and several new Reichert culosis. Haemoptysis especially was a frequent top-reader especially a monobinocular one on a new microscopes, complication in epidemic influenza. A striking fact principle. This firm has opened a new show-room at was that haemoptysis occurred in phthisical and 27, Mortimer-street, W. 1.-[40] Hoskins and Sewell, non-phthisical patients during the same seasons, Ltd. (Bordersley, Birmingham), emphasised the useand in the former was often due to secondary fulnessof the new patent castor-pad action for allowing infections. Our failure to control the great epidemics the bedstead to stand firm on rubber pads or to be affecting the respiratory system was one of the wheeled on castors. They also showed the Nottingham reasons why phthisis was still so rampant. Children’s Hospital wheeling cot; the S. P. Smith’s Dr. R. J. MATTHEWS (Newport) pointed out the extension fittings with side attachment for abductions, contrast beyween tuberculin reactions in the urban by which any and all fractured limbs can be fixed ; and rural populations. The former gave positive and several other bed attachments and screens.-, and the latter negative reactions in most of the cases At Stand [56], The Inhaling Drug and Apparatus Co., he had tested. Ltd. (30, Grosvenor-place, S.W. 1), we learned that Dr. KENNEDY, in reply, said that we could only even insulin may now be administered by inhalation judge the results of treatment by statistics. Epi- therapy, while excellent reports have been received demics ceased owing to the attenuation of the germ of the use of the Spiess-Drager drug nebulising and and to the elimination of the susceptible people by inhaling apparatus in the treatment of tuberculosis death. By keeping alive those susceptible to tuber- and whooping-cough, as well as asthma and other lung culosis, we were doing our own progeny a grave conditions.-[64] Short and Mason, Ltd. (Atlantic House, 45-50, Holborn-viaduct, E.C. 1), demonstrated injustice.
350 the familiar " Tycos " sphygmomanometers, ther- slips for patients, giving printed details, for instance. mometers, and barometers. The new automatic of how to prepare a fomentation, exercises for recording type will be on the market shortly.-[92] constipation, after-care of dental extractions, and Simco, Ltd. (22-28, Shand-street, S.E. 1), showed a alkaline treatment of gastric ulcer. On the covers range of beds which contain no cast iron, and are, supplied for these slips are relevant reminders for the therefore, unbreakable, especially an adjustable doctor. Among the books recently issued by this fabric-bottomed bed in which the patient can be put firm are " The Injection Treatment of Varicose, into any position with a minimum of effort. The Veins," by A. H. Douthwaite, third edition; " t1 universal bottom can be fitted on any ordinary bed Shorter Anatomy " and " Anatomy for Artists," by frame, and is, therefore, extremely convenient for E. Wolff ; and " The Brain from Ape to Man," by Dr. home nursing.-[4] Spencer Corsets, Ltd. (Banbury, Tilney.-[R9] The Oxford University Press (FalconOxon), stressed the fact that each garment made by square, E.C. 1) showed text-books, manuals, and otherthem is designed for each individual patient from exact works, including " Gastro-Intestinal Diseases," from measurements by a trained corsetiere. They drew the James Mackenzie Institute ; the Robert Jones particular attention to their sacro-iliac corset and birthday volume ; the fourth edition of Humphris’ abdominal supporting corset for visceroptosis and " Artificial Sunlight " "; and the second enlarged pregnancy.-[48] John Weiss and Son, Ltd. (287, edition of Fairbairn’s Gynaecology with Obstetrics." Oxford-street, W. 1), had a display of surgical instru- -[161 John Wright and Sons, Ltd. (Bristol), showed a ments, including many new models and modifications, large selection of books, including a new edition of - and a great number in stainless steel. The display Herbert French’s " Index of Differential Diagnosis. included thyroid and cystoscopic instruments, and of Main Symptoms " ; H. L. Tidy’s " Index of Sympto-Bishop Harman’s scotograph.- Whitfield’s Bed- matology " ; C. P. Wakeley’s and St. J. D. Buxton’s steads, Ltd. (109-125, Watery-lane, Bordersley, " Surgical Pathology " ; and the " Synopsis " series.Birmingham), showed improved " Lawson Tait " SPAS. fracture, epileptic, cardiac, and obstetric bedsteads, attention to the that fact the double [94] (Lines.) is already known as Braceborough Spa drawing wheeling foot-end can be let down on to wood blocks when the valuable for skin affections, and its water is now being bed is wanted steady. The obstetric pattern has nickel- prescribed for the treatment of latent infections. The calcium content is very high : 30’39 grs. per gallon plated crutches and a winding-up frame. of calcium bicarbonate, and is, therefore, recommended X RAY, LIGHT, AND HEAT APPARATLTS. for all forms of calcium deficiency, particularly in [78] The Dowsing Radiant Heat Co., Ltd. (91-93, infants.-[18] Harrogate (Baths and Wells DepartBaker-street, W. 1), showed samples of many modern ment) has added to its already diverse waters " Fango," appliances for the application of the Dowsing treat- a curative mud which has recently been discovered ment, ultra-violet lamps, and electric radiators of all near the axis of the anticline around which the kinds, particularly an expanding radiant heat peculiar geological formation of the Harrogate strata apparatus which can be used for both legs or the centres. The mud is radioactive, and contains abdomen or a single limb.-[91] Philips Lamps, Ltd. sulphur.-[3] The Stanboroughs is the London hydro(145, Charing Cross-road, W.C. 2), introduced the pathic establishment, and has excellent facilities for " Metalix-Portable," a new compact apparatus for convalescent care and modern methods of treatment. the general practitioner, which packs into a suit-case, MISCELLANEOUS. stands on adjustable telescopic legs, plugs into any wall fixture, and is absolutely shock-proof. There [74] The Food Education Society (29, Gordonwas also a new deep therapy tube for operation at square, W.C. 1) displayed its dietetic books and Solus Electrical Co. The including a number of Welsh editions. pamphlets, - 220,000 volts.-[77] (100, .Tudd-street, W.C. 1) showed a 30-M.A. X ray trans- The latest leaflet, entitled " A Salad a Day," gives and prescriptions for salads. Mr. Hecht’s former set, complete with all-metal control table; arguments " School and University Diet " and " The Diet of the Solus-Jarhns Potter-Bucky motor-driven revolving with special centring device ; the valve-rectified Brain Workers " were selling well, and another useful grid, " Solustat" apparatus ; an air-cooled double-gap publication on show was " The Reform of Institutional’ diathermy apparatus, and a great range of electro- Housekeeping."-[86] The Hammond Varityper Co... Ltd. (75, Queen Victoria-street, E.C. 4), naturally medical and ultra-violet apparatus. laid emphasis on the special medical keyboards for BOOKS. typing prescriptions, and also the mathematical and [5] Messrs. Bailliere, Tindall and Cox (8, Henrietta- chemical formulae keyboards and those especially street, W.C. 2) exhibited English and American adapted for writing in foreign languages.-[36] The medical and scientific books from their own press, as Medical Insurance Agency (B.M.A. House, W.C. 1) well as those issued by a number of other firms.- again recommended its valuable services, particularly [68] Messrs. J. and A. Churchill (40, Gloucester-place, drawing attention to the charitable work it is able to W. 1) showed an interesting series of medical direc- support both at Epsom College and for the orphan tories, from the small crown octavo of an inch thick, daughters of medical men. Messrs. Mann, Egerton of 1846, up to the enormous eighty-fourth issue of and Co., Ltd., continue to act as consulting motor last year. Among other books were Massie’s" Surgical engineers to the agency.-[55] The Medical Sickness Anatomy " ; the seventh edition of Rowlands and Annuity and Life Assurance Society, Ltd. (300, Turner’s " Operations of Surgery " ; the new Taylor’s High Holborn, W.C. 1), offered its usual attractive " Medical Jurisprudence " ; the ninth edition of policies to doctors and dentists.-[88] An unusual but " Pharmacology " ; and the "Recent very interesting exhibit was that of the Pentecon Cushny’s Advances " series, of which the latest are : " Diseases High-pressure Casserole Cooker, shown by Phillips of Children," by W. J. Pearson and W. G. Wyllie ; and Proctor, Ltd. (125, High Holborn, W.C.I). In " Surgery," by W. Heneage Ogilvie ; and " Tropical this simple covered saucepan food is cooked under a Medicine," by Sir Leonard Rogers-[72] William ’, pressure of 45 pounds to the square inch. In this way Heinemann, Ltd. (99, Great Russell-street, W.C. 1), the heat is greatly intensified, and any food can be included in their exhibit MacCormac’s new edition of I cooked in eight minutes. It is almost impossible to Jacobi’s " Atlas of Dermochromes " ; the second overcook, and therefore a joint and yegetables can be edition of Dan McKenzie’s " Diseases of the Throat, put in together, the pressure adjusted by a simple Nose and Ear " ; McDonagh’s " Nature of Disease " ; device on the cover, and when the whistle blows a and Halls-Dally’s " Low Blood Pressure."- H. K. few minutes later all the contents will be found Lewis and Co., Ltd. (136 and 140, Gower-street, W. 1), equally cooked. In addition to the obvious domestic had a number of convenient clerical aids for the advantage in saving time, worry, and fuel, there is a practitioner, including a new roll-top cabinet for dietetic advantage in that the starch-cells are merely and not burst by this cooking and thegoodpanel envelopes in one, two, three, or four sections, swollen each holding 500 ; and a useful series of instruction, ness " is therefore conserved. The taste is certainly .
i
351
excellent.-[66] Radiation,
Ltd. (15, Grosvenor-place, S.W. 1), showed an exhibit of gas-heated appliances for dentists, and described by means of diagrams a series of experiments undertaken in an attempt to improve the quality of the heat emitted by gas-grates and cookers by obtaining a softer and more penetrating " wave-length.-[75] The " Vita Glass Marketing Board (Aldwych House, W.C. 2) attended for the first time to explain the properties and methods of fitting " Vita " glass whichwhile transmitting a large proportion of the ultra-violet spectrum, is indistinguishable from it in appearance, can be obtained from local builders, and is entirely British.
Special Articles. CONGRESS OF RADIOLOGY. STOCKHOLM : JULY 23RD-27TH, 1928. THE Second International Congress of Radiology which met in Stockholm from July 23rd to 27th, under the presidency of Prof. U osT FORSSELL (Stockholm), was attended by 962 members from 40 countries. T.R.H. the Crown Prince and Prince Charles of Sweden were present at the inaugural meeting in the Concert House, when Prof. Forssell received the presidential badge, a gift from the British Institute of Radiology, at the hands of Mr. G. - Thmstan Holland and Dr. Stanley Melville, respectively president and secretary-general of the First International Congress held in London in 1925. The President then opened a discussion on Teaching and Training in Medical Radiology, expressing his own conviction that radiology has become so important to medical science as a whole, and so firmly established
department of that science, as to make a systematic presentation of the subject an essential part of the general medical education. He was followed by Dr. J. BELOT, speaking for France, Prof. M. HICKEY, for U.S.A., Dr. G. HoLZKNECHT, for Austria, Dr. as a
MELVILLE, for Great Britain, and others, all whose - papers will be published in book form as a supplement to Acta Radiologica. The sectional proceedings of the Congress took place in the Riksdagshuset, being divided into (1) Rontgen Diagnostics, (2) Rontgen and Radium Therapy, (3) Radiobiology and Heliotherapy, and (4) Radiophysics and Medical Radiology. Altogether 225 papers were read, one of which we published in our issue of August 4th (p. 221) ; abstracts of several others follow. In the first section a number of papers dealt with opaque injections into brain and spinal column for the diagnosis of tumours and other diseased conditions of the central nervous system (encephalography and myelography), into female genital organs (hysterosalpingography), into
kidneys (pyelography and pneumopyelography),
as
well as the use of contrast means in the examination of the accessory sinuses of the nose. In the second section the chief interest centred around the radium treatment of malignant tumours and the X ray treatment of nervous disease of different kindstuberculosis, goitre, and diseases of the skin. The organisation and the results obtained at Radiumhemmet in Stockholm were illustrated by a demonstration of some 100 patients. In the third section papers were read on the effect of light in various diseases, the action of ultra-violet rays on cells and tissues, and the therapeutic value of irradiated oils. The fourth section had two main themes on its programme: (1) the establishment of an international unit of dosage in X ray treatment, to which a leading article was devoted in our columns last week; and (2) the question how to obtain international regulations for protection in radiological work. The latter led to the setting up of an international committee to carry out with a few small alterations the recom-
mendations of the British X ray and Radium Protection Committee. During the Congress the International Committee of Radiology met and appointed an executive committee consisting of Prof. Forssell, Mr. Thurstan Holland, Dr. A. Beclere, Prof. W. Friedrich, Prof. M. Haudek, Dr. G. A. Pfahler, and Prof. P. Tandoja, which fixed Paris as the place for the Third International Congress in 1931, with Dr. Beclere as its president. An exhibition in connexion with the Congress comprised apparatus shown by 45 firms, of which 24 were from Germany, 7 from England, and5 from Sweden.
Rationale of Radiation Therapy. Invited to contribute a paper on this subject Dr. ROBERT KNOX (London) dealt with the radiation treatment of certain diseases, arranged for convenience of reference in groups. In the cases treated, at one period or another, a degree of control was obtained by systematic dosage ; to ascertain the nature of this control innumerable observations were made in regard to dosage, absorption of the radiations, and the nature of the response of the tissues to these radiations. Two main fields of investigation were open : (1) the physical dose, and (2) the tissue response. It was decided to concentrate on one tissue and, because of the advantages offered by the blood, it was arranged, as a preliminary investigation, to explore the changes induced in blood and bone marrow by X rays of known wave-length. Mr. W. V. Mayneord made the precise physical measurements of the radiation. The tissue response was measured by Dr. A. Piney, who observed the haematological and histological changes in a number of animals subjected to measured doses of X rays. The direction of the experimental work was suggested by the clinical observations made in a case of myelogenous leukaemia where apparently a progressive action on the blood was induced by measured doses of radiations, and where after cessation of treatment, changes, quantitative and qualitative, continued for several months until a minimum count was reached. The animal experiments establish that radiations initiate a change which is progressive, and which continues after the cessation of treatment, and independently of subsequent procedures. The conclusions are to some extent analogous to those made by Dr. A. Leitch on the production of cancer in animals by repeated applications of tar products ; when the tar had been applied frequently and for a certain length of time and the irritant was then removed, carcinomata made their appearance at a later date. Dr. Piney found the effects of divided doses to be more intense and more prolonged than those of a single dose, whilst also having a rather different qualitative result-namely, the former cause no alteration in the monocyte count.
Collapse of the Lung. (St. Louis, Mo.) and Dr. D. R. (Philadelphia) both read papers on this Massive
Dr. L. R. SANTE
BOWEN
peculiar condition in which one or more lobes of the lung, without apparent cause, suddenly lose their
air content and become atelectatic. First described by W. Pasteur in 1890, the condition is scantily mentioned in the literature until recent years. With the loss of air content the lung becomes smaller, drawing the chest wall down with it, the mediastinal structures inward and the diaphragm upward as it collapses. The resulting atelectatic lung produces as dense a consolidation as pneumonia. These rontgenographic findings are characteristic. Dr. Sante hasobserved under direct fluoroscopic vision that such a fully collapsed lung can be caused to reinflate in many instances, merely by rolling the patient back and forth on his unaffected side and causing him to cough, and he suggests this as a method of treatment. Dr. Bowen emphasised the recent rediscovery of atelectasis as a post-operative complication with precisely similar conditions to those recurring with foreign body or infectious disease. ’