. Annals of surgery. tensi n (is mm Hg) corrected the mediastinal deflection, it failed toexpand the lower lobe. Obliteration of this large cavity was effected underconstant negative tension in twenty days through expansion of the upperlobe and approximation of the mediastinum, diaphragm and chest wall,—the lower lobe remaining in an atelectatic condition. DIFFERENTIAL PRESSURE IN EMPYEMA. 505 and the cavity thereby diminished in size, but the air withinthe abscess cavity becomes negative in tension during inspira-tion, and, in consequence, the mediastinum and pericardiumtend to be further def
. Annals of surgery. tensi n (is mm Hg) corrected the mediastinal deflection, it failed toexpand the lower lobe. Obliteration of this large cavity was effected underconstant negative tension in twenty days through expansion of the upperlobe and approximation of the mediastinum, diaphragm and chest wall,—the lower lobe remaining in an atelectatic condition. DIFFERENTIAL PRESSURE IN EMPYEMA. 505 and the cavity thereby diminished in size, but the air withinthe abscess cavity becomes negative in tension during inspira-tion, and, in consequence, the mediastinum and pericardiumtend to be further deflected toward the cavity and the collapsedlung to expand in the same direction. An immediate result ofsuch a method of treatment is the prompt relief of the , day by day, there is an appreciable diminutionin the size of the cavity. Not only does this dressing do awaywith the foul odor in the sick room, but as will be seen by thechart, the amount of discharge may be accurately tabulated. Fig. Chart from case (Fig. 4) of pyopneumothorax, showing -•I •3 id jI ^i «iaL«i •^-* .5iL«L5\L»iLid_lthe daily amount of discharge. The collecting bulb in this way becomes an instrument of pre-cision. If the discharge shows a gradual decrease and thetemperature remains normal, one may be satisfied that thereis no pocketing or retention of pus. On the other hand, ifthere is a rise in the temperature curve, a definite knowledgeof what the amount of the discharge should be may give onea clue to the cause. Apart from the curtailment of the periodof disability, the absence of odor and of the pain and discomfortof prolonged dressings, the earlier restoration of the collapsedlung to its normal respiratory activity may remove to a largeextent the danger of a subsequent tuberculous infection. PRIMARY SARCOMA OF THE STOMACH. WITH REPORT OF TWO CASES. BY A. ERNEST MAYLARD, , , OF GLASGOW, Surgeon to the Victoria Infirmary, AND JOHN ANDERSON, , CM., Patholog
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsurgery, bookyear1885
