Chronic Gastritis (Chronic Gastric Catarrh)

There is perhaps no malady more frequently met with than chronic gastric catarrh, and none more frequently misunderstood. It comprises many different forms of gastric derangement, which are grouped under the general head of inflammatory dyspepsia, with many symptoms strongly simulating ordinary functional dyspepsia. It includes, in the author's opinion, a large number of cases of obstinate chronic dyspepsia, which are badly managed because not recognized as of inflammatory origin.

ETIOLOGY.—In a more or less chronic form it is frequently met with as a result of the acute affections. Hence the etiology is mainly that of acute gastric catarrh. It may be caused—

1. By functional disorders of the stomach.

2. By mechanical causes which interfere with the portal circulation.

3. In connection with certain constitutional states, such as gout, rheumatism, phthisis, renal disease, certain eruptive diseases, and as a sequence of malarious fevers.

4. By the excessive use of alcohol and other gastric irritants.

5. By errors of diet, especially excessive alimentation.

6. By decomposition of ingested aliment owing to deficiency of gastric juice.

7. By all causes that weaken the digestive power and lower the general tone of the system.

Of all these causes, errors of diet are most apt to produce it, and to perpetuate it when once established. And next to this, in the order of importance, is the immoderate use of alcohol, especially by persons whose general health and digestive power are below a healthy standard. Such persons are apt to suffer from irritative and inflammatory forms of dyspepsia, which, in various degrees of intensity, alternate with the acuter forms of embarras gastrique.

The injudicious use of drugs may also be mentioned. There can be no doubt that many transient and functional forms of indigestion merge into the more chronic inflammatory forms of dyspepsia from the abuse of stimulants, tonics, and purgatives. Anxious for relief, and urged on by hope of recovery, the victims of functional dyspepsia are apt to have recourse to every grade of quacks and to be subjected to every form of harassing and mischievous treatment. Indeed, the use of potential and irritating drugs, administered for all kinds of ailments, real or imaginary, enters largely into the etiology of chronic gastric catarrh.

Mechanical causes deserve also special consideration. These are mainly such as offer impediment to the return of blood from the stomach to the heart. In acute cases the congestion may be very intense. Congestion of the same kind, but more gradual in its occurrence and less in degree, may be present from all conditions affecting the circulation of venous blood through the liver. General anæmia, by producing weak heart-action, disturbs the normal adjustment between the arterial and venous sides of the circulation. Blood accumulates in the veins and capillaries, and morbid action propagates itself in a direction contrary to the circulation. Hence in all conditions of general anæmia there is tendency to dyspnoea, pulmonary oedema, bronchorrhoea, special forms of liver disease, gastric catarrh, and even temporary albuminuria. All mechanical obstructions to the free transit of blood through the heart, lungs, or liver are followed by the same results. A free secretion of mucus into the stomach is one of the most commonly recognized. It is often vomited in large quantities. This alkaline mucus, while it dilutes the digestive juices of the stomach, furnishes favorable conditions for the development of low micro-organisms, which contribute to the fermentative process. We may not duly estimate the effects of these organisms on a mucous membrane softened by long-continued passive hyperæmia.

Malarious fevers, from their congestive tendency, give rise to the more acute forms of gastro-enteric inflammation. In the more chronic forms of intermittent and remittent fevers more or less gastric inflammation is invariably present. Indeed, in all forms of fever gastric inflammation is a complicating element, and the recognition of the fact has an important bearing on the treatment.

Certain constitutional diseases appear to involve special liability to this affection, such as scrofula, phthisis, gout, rheumatism, syphilis, and many chronic forms of skin disease; and in many cases the cause is not apparent.

ANATOMICAL CHARACTERS.—The gross appearance of the stomach in chronic gastritis is thus admirably described by Broussais, who faithfully recorded what he "observed during many years in the bodies of those who have long suffered from distaste for food, nausea, and vomiting." These observations were made long before morbid anatomy had thrown much light on the more minute structural changes of organs, and the general picture will be recognized as faithful to-day: "Softening, friability, and the reduction into a kind of gelatinous mass commonly occurs in the region of the lower part of the larger curvature of the stomach; and when closely examined it is perceived that it is not only the mucous membrane that has undergone that species of decomposition, but that the muscular has participated in it, and that the whole of the cellular tissue which united the three membranes has entirely disappeared. The parietes of the viscus are then reduced to a very thin lamina of serous membrane, commonly so fragile as to tear on the slightest handling, or even already perforated without any effort on the part of the anatomist. The pyloric region, on the contrary, has manifestly acquired more consistence and thickness; the mucous membrane there presents large folds, the muscular appears more developed, and the cellular and vascular are injected; sometimes even a true scirrhous state is observed there. The portion of the mucous membrane which covers this scirrhus is sometimes ulcerated, but that in the surrounding parts and at the border of the ulcer, far from being softened, is, on the contrary, tumefied, indurated, and injected. Finally, though there may or may not be ulceration of the pylorus, it is always manifestly hypertrophied, whilst the lower part of the great curvature is the seat of softening and atrophy."

These were the observations of the great anatomist apparent to the naked eye. At the present time we can only confirm them by stating that structural changes are particularly noticed in the pyloric region of the stomach. The mucous membrane generally is vascular and covered with a grayish, tough, transparent mucus. It is more opaque and thicker than natural. The surface is usually changed in color: it may be red, brown, ash-gray, slate-colored, or even black in spots. The darkened spots are due to pigmented matter, and this is generally most marked in the pyloric half of the stomach. It is most commonly met with in cases of prolonged passive congestion of the stomach from portal obstruction, and requires for its production the rupture of capillaries in the superficial layers of the membrane and the transformation of the hæmatin into pigment. The same condition often produces ecchymoses and hemorrhagic erosions in spots. In other cases the mucous membrane is strikingly uneven, being studded with numerous little prominences separated from each other by shallow depressions or furrows. This condition, which has been compared to granulations upon wounds, is called mammillation. It is the état mamelonne of Louis, and is considered by him as a sure and constant sign of inflammatory action. Like many other structural changes, it is usually found in the neighborhood of the pylorus. More rarely polypoid growths project from the membrane, and little cysts also frequently appear in the mucous membrane.

Chronic inflammation tends to thickening of the mucous membrane. It sometimes is not only greatly thickened, but acquires an extreme degree of toughness. Exceptionally, however, the membrane, either entire or in spots, may be abnormally thin. The thickening of the walls of the stomach, when it involves the pylorus, gives rise to constriction of the orifice and consequent dilatation of the stomach.

When the disease has been of long standing the interstitial tissue between the tubules becomes thickened, the stomach is changed in its normal structure, and the tubules themselves become confused, compressed, and much less straight and parallel than in the normal state. Or they may in some cases be enlarged, according to Flint, in consequence of swelling and parenchymatous or fatty degeneration of their epithelial cells. Microscopic examination often shows changes such as occur in other glandular organs. The glands and tubules become the seat of degenerative changes, such as are observed in Bright's disease of the kidney, and they are frequently found associated in the same case. The mouths of the gastric tubules become blocked up, while deeper parts are dilated into cysts; and at times they are atrophied or filled with granular fatty matter.

Many cases of persistent anæmia may be traced, according to Flint, to this degenerative process of the gastric tubules.

The SYMPTOMS of chronic gastritis are mainly those of difficult digestion of an aggravated kind, and are liable to be mistaken for those of ordinary functional dyspepsia. Some points of distinction were referred to in the section treating of functional dyspepsia; and while there are many symptoms in common, it is vastly important that the two forms of the disease should be early recognized, for they are radically distinct in their pathology and treatment.

We now speak of what is usually known as inflammatory, irritative, or gastric dyspepsia—a persistent and aggravated form of indigestion which has its origin in the stomach itself, in contradistinction to dyspepsia which originates largely from causes outside of the stomach and transmitted to it through nervous impression. The one is functional and indirect; the other is inflammatory and direct.

The symptoms referable directly to the stomach are mainly those of difficult and painful digestion, and are alike characteristic of all forms of indigestion, such as loss of appetite, sense of weight and fulness of the epigastrium, distress after taking food, acidity, eructations of gas, etc. But chronic gastritis is more frequently accompanied by a burning sensation in the epigastric region, accompanied by tenderness on pressure, which is generally increased after meals. Sometimes this tenderness amounts to actual pain, which is increased after meals. But we are liable to be misled by pain: gastric pain is not a characteristic symptom; subacute forms of the disease may exist without any fixed pain; the sensation is rather that of burning, uneasiness, and oppression of the epigastric region. The appetite, as a rule, is greatly impaired—indeed, the sense of hunger is rarely experienced—and nausea and vomiting frequently follow the ingestion of food. This is especially the case when catarrh of the stomach is associated with renal disease, portal congestion, or chronic alcoholism. Large quantities of mucus are brought up, the vomiting taking place usually in the morning, and on examination of the mucus it will frequently be found to contain sarcinæ and large numbers of bacterial organisms. When stricture of the pylorus is present the vomiting of putrid, half-digested food usually takes place about the termination of the digestive process.

The tongue presents characteristics peculiar to chronic inflammation of the stomach. In some cases it is small and red, with enlarged and red papillæ; in others, it is broad and flabby and somewhat pale; but in either case, on close inspection, the papillæ will be found red and enlarged, this being more apparent on the tip and edges. In children of scrofulous habits and in older persons of tubercular tendency the whole organ is redder than natural, the papillæ standing out as vivid red spots.

In other cases the catarrh of the stomach extends to the mucous membrane of the mouth. In all cases of oral catarrh the tongue, instead of being red and pointed, is large and apparently oedematous. It is uniformly covered with a white or dirty brownish coat, and frequently shows the impression of the teeth upon its edges. The secretions of the mouth are depraved, the breath heavy and offensive, and the gums spongy and unhealthy in appearance. Acidity is also common.

Thirst is a common symptom. It is rarely absent either in the acute or chronic form of the disease. It is most marked in the intervals between meals and in the evenings.

It is rare in gastric catarrh of long standing that it does not extend to the intestines, and occasionally from the duodenum to the ductus choledochus; in which case we have the combined symptoms of gastro-intestinal catarrh associated with jaundice. The nutritive system becomes implicated, and patients are especially prone to develop any diathesis to which they may be liable.

There remains a group of symptoms of great interest in the study of gastric inflammation—important because liable to mislead as to the real nature of the difficulty—namely, morbid conditions of the nervous system. Few diseases have such a wide range of morbid sympathies, and few, it may be added, are so generally misunderstood and misinterpreted. Two main facts, as formulated by Broussais, deserve to be restudied by the profession:

First, that irritations of the visceral parenchyma which do not implicate their serous membranes only give rise to ill-defined sensations, and they not painful;

Second, that most of the acute pains arising from visceral irritation are rather referred to external parts than to the viscera themselves.

Unless the seat of very acute inflammation, mucous membranes are remarkably free from pain, and yet the gastric mucous membrane is the seat of a most exquisite internal visceral sense and has a wide range of morbid sympathetic disturbances. These sympathetic phenomena are often treated for primary neuralgias. No fact in the clinical study of disease deserves more careful consideration than this. Absence of pain, then, is calculated to mislead. It is often only the sensation of uneasiness, depression and melancholy, want of appetite, thirst, nausea, loathing of food, and derangement of the bilious and gastric secretions, that directs our attention to the stomach. Moreover, in gastro-enteric inflammations pain is more frequently felt in parts sympathetically affected than in the stomach itself. "It is only when irritations of mucous membranes are in the vicinity of the openings of cavities that the irritations are distinctly perceptible in the seat they occupy" (Broussais). Morbid irritative action commencing in the stomach repeats itself in the cerebro-spinal system of nerves, and the secondary irritation may develop a more immediately dangerous inflammation than the primary. This is frequently observed in children, who are specially prone to irritation of the visceral apparatus. Many cases of primary gastric irritation terminate in acute cerebral inflammation. Indeed, the greater number of phlegmasiæ of the brain are only sympathetic irritations issuing from primary inflammation of the stomach. Short of inflammation, the transmitted irritation may merely give rise to reflex convulsions, and in adults to sick headache, or, if long continued, to conditions of hypochondria. Headache is a prominent symptom of gastric irritation. It is not usually acute, but rather a sense of fulness and pressure, sometimes felt in the frontal, at other times in the occipital, region. Many cases commonly called cerebral hyperæmia and cerebral anæmia are nothing more than malassimilation from chronic gastric catarrh. This fact deserves to be specially emphasized at present, for we are apt to consider the cerebral the primary lesion. Vertigo, as in functional dyspepsia, is also an occasional symptom, and very commonly patients complain of extreme degrees of sleeplessness and disturbed dreams and nightmare.

The heart's action is often disturbed in its rhythm, and sympathetic dyspnoea leads to suspicion of disease of the lungs. And to all these nervous phenomena may be added unusual languor, lassitude, irritability of temper, and a feeling of inability for either mental or physical exertion.

But in the play of morbid sympathies it must be borne in mind that the stomach may be secondarily affected. Irritations of all organs are constantly transmitted to the stomach from their very commencement. Hence the frequent loss of appetite, the thirst, the embarrassed digestion, the deranged gastric secretion, and the altered color of the tongue. This is markedly the case in all the malarious and essential forms of fever. Gastric complication in these fevers is rarely, if ever, absent, and if aggravated by the too early use of tonics and stimulants and by harsh irritating cathartics, it becomes too often a fatal complication.

Gastric symptoms are also associated with other constitutional disorders, such as phthisis, renal disease, rheumatism, gout, and almost all forms of chronic eruptive diseases.

Intestinal symptoms are rarely absent. Constipation is often obstinate, and especially is this the case if the catarrhal condition is confined to the duodenum. The lower down the inflammation the greater the probability of diarrhoea, and when present the stools are offensive and frothy; sometimes they are dry and scybalous and coated with a tough, tenacious mucus which may form casts of portions of the intestinal track. In other cases patients suffer from distressing intestinal flatulence and a sense of general discomfort. Piles is a complication frequently present without reference to complication of the liver.

The urine is more frequently disordered than in any other form of disturbance of digestion. The most common changes consist in an abundant deposit of the urates; exceptionally, however—especially in cases of long standing in which there are marked nervous symptoms associated with defective secretion of the liver and pancreas—it may be of low specific gravity and pale in color from the presence of phosphates. Slight febrile movement is not uncommon.

Finally, in all cases of chronic gastric catarrh the nutritive system becomes deeply implicated—much more so than in functional disturbances of the stomach. Emaciation is almost constantly present, the patient often showing signs of premature decay.

DIAGNOSIS.—The disease with which chronic gastritis is most liable to be confounded is atonic dyspepsia, the chief points of distinction from which have been already alluded to. In general terms it may be said that in chronic gastritis there is more epigastric tenderness, more burning sensation and feeling of heat in the stomach, more thirst, more nausea, more persistent loss of appetite, more steady and progressive loss of flesh, more acidity, more eructations of gas, more general appearance of premature decay, and greater tendency to hypochondriasis. And yet all these symptoms, in varying degrees of prominence, may be present in all forms of indigestion. To the points of distinction already mentioned, then, a few circumstances may be added which will afford considerable assistance in coming to a correct diagnosis:

1. The length of time the disease has uninterruptedly lasted. It is essentially a chronic disease.

2. The local symptoms are never entirely absent, as is not infrequently the case in functional dyspepsia.

3. The uneasy sensations, nausea, oppression, or pain, as the case may be, follow the ingestion of food. They are not so prominently present when the stomach is empty.

4. The result of treatment. In chronic gastritis it will be found that all the local symptoms are exasperated by the usual treatment of functional dyspepsia.

5. Stimulants and stimulating food are not well borne. Alcohol, especially on an empty stomach, produces gastric distress. There is also frequently slight febrile disturbance.

Chronic gastritis, with nausea, vomiting, hæmatemesis, general pallor, and loss of flesh, may be mistaken for cancer of the stomach. But in cancer vomiting is about as apt to take place when the stomach is empty as during the ingestion of food; pain is usually greater, especially when the orifices of the stomach are involved; the tenderness is more marked; the emaciation and pallor more steadily progressive; the vomiting of coffee-ground material takes place more frequently; and the disease is more rapid in its progress. The age and sex of the patient may also aid us in our diagnosis. Cancer is more frequently a disease of middle and advanced life, and localizes itself oftener in the stomach of males than females. Finally, the discovery of a tumor would remove all doubts. Hæmatemesis in chronic catarrh of the stomach is almost invariably associated with obstruction to venous circulation in the liver, heart, or lungs.

In rare cases it may be difficult to distinguish chronic gastric catarrh from ulcer of the stomach. In ulcer of the stomach pain is a more prominent and constant symptom; it is more centrally located; the vomiting after taking food is more immediate and persistent; the tongue may be clean; flatulence is not a constant symptom; the appetite is seldom much affected; the bowels are generally confined; and there is nothing characteristic about the urine.

TREATMENT.—In this, as in the more acute forms of the disease, rest of the stomach is important. From mistaken notions of disease we are prone to over-feed our patients, and thus seriously impair the digestive and assimilative processes. In chronic inflammation of the stomach a restricted diet is of prime importance. The physician should most carefully select the patient's food, and urgently insist on its exclusive use. This of itself, if faithfully persevered in, will often effect a cure.

The exclusive use of a milk diet—especially skim-milk—should be thoroughly tested. In testing it we should allow two or three weeks to elapse before any other food is taken. At the end of that time soft-boiled eggs, stale bread, and well-cooked rice may be added, with an occasional chop once a day. Some patients do not tolerate raw milk well. In such cases we should thoroughly test the peptonized or pancreatized milk or the peptonized milk-gruel, as suggested by Roberts. This artificially-digested milk agrees wonderfully well with many stomachs that cannot digest plain milk. Milk, in whatever form administered, should be given at comparatively short intervals of time, and never in quantity beyond the digestive capacity. Better err on the side of under- than over-feeding. Nothing should be left to the fancy or caprice of the patient. The food should be carefully selected by the medical adviser, and given in definite quantities at definite times. Even the moral effect of such discipline is healthful for the patient. After testing milk diet for a time, we may gradually add small quantities of rare and thoroughly minced meat. Milk, eggs, and rare meat are more easily digested, as a rule, than starchy substances. Farinaceous food is apt to give rise to excessive acidity. But stale bread may be added to the milk, and, if there is tendency to acidity, better have it toasted thoroughly brown.

In addition to the dietetic treatment of the disease, diluents, timeously administered, are of essential service. As a rule, patients are too much restricted from their use, under the supposition that they dilute the gastric juice and thereby impair the digestive power. This restriction is proper at, and for some time after, the ingestion of food. But at the end of the first hour after taking food several ounces of gum-water, or some mucilaginous fluid sweetened and rendered palatable by a few drops of dilute muriatic acid, should be administered, and repeated every hour during the digestive process. Diluents, thus administered, are not only grateful in allaying the thirst of the patient, but are at the same time an essential part of the treatment. The free use of demulcents at the termination of digestion in the stomach is especially useful.

Beyond these general principles of treatment, applicable to all varieties of gastric catarrh, we must have reference to the varied etiology of the disease. This, we have seen, is most complicated. Hence the difficulty in prescribing any rules of treatment applicable to all cases. We should seek here, as in all cases, to generalize the disease and individualize our patient.

Chief among remedial agents may be mentioned the alkaline carbonates. When combined with purgative salines they are specially valuable in gastro-duodenal catarrhs associated with disease of the liver. These are a very numerous class of cases, especially in malarious regions of country, and when present in a chronic form lay the foundation of widespread disorders of nutrition. No treatment in such cases is effective until we diminish engorgements of the liver and spleen, and nothing accomplishes this so well as the use of alkaline saline laxatives. These may be assisted in their action by small doses of mercurials. It was a cardinal principle among the older practitioners, in the absence of more minute means of diagnosis, to look well to the secretions; and what was their strength is, I fear, our weakness.

Wonderful results often follow a course of the Carlsbad, Pullna, or Marienbad waters, taken on an empty stomach, fasting, in the morning. While taking the waters a rigid and restricted diet is enforced. This is an important part of the treatment. And the fact that so many varied ailments are cured by a course of these mineral waters with enforced dietetic regulations only shows the prevalence of gastro-duodenal catarrhs and their relation to a great variety of human ailments. To a certain extent the potassio-tartrate of sodium and other saline laxatives may take the place of these waters if perseveringly used and taken in the same way. In feebler subjects minute doses of strychnia or some of the simple vegetable bitters may be used in conjunction with the laxative salines.

In chronic inflammatory conditions of the gastric mucous membrane, which frequently follow acute attacks, the protracted use of hot water is often followed by excellent results. There can be no doubt of the value of hot water in subacute inflammation of mucous membranes in any locality; and it is specially valuable in gastro-intestinal catarrh associated with lithæmia. Hot water, laxative salines, combined with restricted diet and healthful regimen, accomplish much in correcting morbid conditions of primary assimilation; and by accomplishing this many secondary ailments promptly disappear. A pint of water, hot as the patient can drink it, should be taken on an empty stomach on first rising in the morning, and it may be repeated again an hour before each meal and at bedtime. A few grains of the bicarbonate of sodium and a little table-salt may be added. In some cases three or four drops of tincture of nux vomica or some of the simple bitters may be taken at the same time with benefit. Alkaline bitters are natural to the upper portion of the digestive track. No food should be taken for a half hour or an hour after the hot water. This treatment, to be effective, must be persevered in for a length of time. A most rigid system of dietetics suited to individual cases should be enforced at the same time. This is an important part of the treatment.

In irritable and morbidly sensitive conditions of the mucous membrane the sedative plan of treatment is not unfrequently followed by good results; and of remedies belonging to this class bismuth is the most effective. It is specially indicated in the more irritable forms of gastric disturbance in which there is a sense of uneasiness and pain at the epigastrium after taking food. If there is much acidity present, it may be combined with magnesia or a few grains of finely-pulverized animal charcoal.

Chronic cases of long-continued inflammatory action, with intestinal complication, are often much benefited by the use of mercurials in small doses. The one-fifth of a grain of calomel, combined with bismuth or the bicarbonate of sodium, may be given for weeks without danger of salivation. Excellent results sometimes follow this treatment. In small doses calomel is undoubtedly sedative to the mucous membrane of the upper portion of the digestive track. In cases of long standing that have resisted other modes of treatment the more direct astringents have been found of great value. Of these, nitrate of silver is to be preferred, alike for its sedative, astringent, and alterative properties. It may be given in pill form in from one-quarter to one-grain doses, combined with opium, a half hour before each meal. The writer of this article can speak from much experience of the value of this drug. It proves in many cases a valuable addition to the hot-water and dietetic course already alluded to.

If large quantities of mucus are vomited from time to time, especially in the morning, we may resort with benefit to the use of other astringents, such as bismuth, oxalate of cerium, kino, and opium; and if we have reason to suspect stricture of the pylorus in connection with a catarrhal condition of the mucous membrane, the stomach-pump gives the patient great relief. It should be used about three hours after a meal, injecting tepid water, and then reversing the syringe until the water comes out perfectly clear. Niemeyer speaks highly of it in such cases. He says: "Even the first application of the pump generally gives the patients such relief that, so far from dreading a repetition of this by no means pleasant operation, they clamorously beg for it."

The gastric catarrh of phthisis is difficult to relieve. Artificial digestives may be tried, with dilute muriatic acid, as already indicated; and for the relief of pain and irritation there is no remedy so efficacious as hydrocyanic acid, which may be combined with bismuth and opium in case there is diarrhoea. Hot water may be also tried, with restricted animal food.

Habitual constipation must be overcome by suitable laxatives and by enemata. Castor oil is mild and efficient in these cases, or in cases of unusual torpor of the muscular coat of the bowels small doses of aloes and strychnia may be tried. The free use of diluents toward the close of digestion favors free action of the bowels. All harsh and irritating cathartics are to be carefully avoided.

When there is much tenderness of the epigastrium, benefit may be derived from counter-irritation, and nothing is so effectual as the repeated application of small blisters.

General hygienic measures are in all cases to be insisted upon. In morbid conditions of the liver and the upper portion of the digestive track the free supply of oxygen to the lungs is a remedy of much power. Hence patients should live as much as possible in the open air. They should be warmly clad, and, if not too feeble, frequent cold baths should be resorted to.

After local irritation has been subdued by appropriate treatment, tonics may be tried to counteract the enfeebled state of the stomach. They are such as are appropriate for functional diseases of the stomach. But they should be used with caution and judgment in irritable and inflammatory forms of dyspepsia. If we attempt to force an appetite by their use, and to crowd upon the stomach more food than it has capacity to digest, we may intensify the trouble and thereby add to the patient's general debility. Food and tonics fail to impart strength because the stomach is not in a condition to digest them.

One thing should be mentioned, in conclusion, as an important item in the treatment—namely, patience. Chronic gastric catarrh, it should be remembered, is essentially a chronic disease, and time becomes an important element in its cure.