Dec 04
Medications: Good study showing statistical power for nonsteroidals, analgesics and muscle relaxants, the use of those has to be individualized.
Physical Therapy: Absolutely, there was just a publication in the Journal Spine and that is referenced in your hand-out from the Paris Task Force, looking at the superiority of physical therapy to inactivity and shortening symptomatic intervals, particularly active physical therapy, not modality based therapy, manipulation, hot, cold ice packs, but really active physical therapy.
Low back pain medications:
Muscle relaxants: Soma is a muscle relaxant used to treat pain caused by muscle spasms.
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Manipulation: Believe it or not, there is some very compelling evidence to suggest that may help in the acute phase as with any modality, and by that I mean no more than three to four weeks from the time of onset, chronic manipulation has not been shown to impact long-term health care, delivering a positive sense for low back pain, and injections very controversial despite their wide-spread use, and are used in many individuals. There really are very few studies that demonstrate statistical power as far as the ability of injection to shorten the treatment interval.
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Dec 11
Autoimmune disease in children. Well, it’s probably more common than we think. Typically we think of this as a disease affecting adolescent females but we have seen it in boys, we have seen it in little children, even as young as two or sometimes even less. Presentation, again, highly variable. They may turn up with chronic liver disease and all the characteristic usual associations; cirrhosis, portal hypertension. But where we sometimes see it, and it’s very bothersome when it occurs this way, as a cause of actual fulminant liver failure in sub-acute kind of presentation. Some of these little ones will need liver transplantation very rapidly.
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The diagnostic clue is that if you look at the proteins in the blood, the total serum protein is going to be high and the serum albumin is going to be low and the reason for that is that there is a hypergammaglobulinemia. So if you see a low serum albumin, a high total protein and you are beginning to think about chronic liver disease, it might make you think about autoimmune.
Then there is a whole array of diagnostic markers that I am not going to delineate for you; anti-smooth muscle, anti-mitochondrial antibodies, anti-liver-kidney microsomal. You can think about just about any antibody you want to and look for it as part of the way that you prove your diagnosis. Along, of course, with liver biopsy.
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The treatment, particularly if you are savvy and you make this diagnosis early, is immunosuppression. The mainstay is still steroids. You might add 6-MP, azathioprine or even some of the newer immunosuppressants to try and control the process. You have to remember that autoimmune diseases, no matter which one it is, are multi-system diseases so whether the presentation is in the liver or somewhere else, you should look at the joints, you look for funny rashes, you look for ulcerative colitis and Crohn’s disease, diabetes, thyroid problems. So don’t just stop at the liver. Make sure you have really carefully gone through all the other systems that could be involved.
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Dec 02
Heat stroke is a medical emergency. These patients need very aggressive cooling. This may involve packing them in ice externally. It may involve administering cool fluids to every orifice and IV site to bring down their body temperature rapidly. They need to be fluid resuscitated, they are essentially all dehydrated and vasodilated, and they need ongoing supportive care.
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Now there is a specific syndrome in young children that has been reported, of hemorrhagic shock and encephalopathy syndrome. Which is basically unexplained severe hyperthermia in young children without an infectious etiology defined, which is associated with a very significant encephalopathy. These patients develop shock, DIC and actually have a high mortality rate. In the initial series, 100% mortality rate was reported. Now survivors have been reported, but it still does have a high mortality rate. It is uncommon but has been the source of questions in the past.
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Smoke inhalation; another environmental disaster. If you happen to be in a fire you get asphyxiated. Fire consumes oxygen, it leaves what you are breathing to be relatively oxygen-free, and although you are having air exchange you are not getting oxygen to your tissues. You may have a thermal injury, although this is a much less common cause of death, where you actually have flame injury to the tissues. A thermal injury with super-heated environments, gases especially if there is steam involved, you may get airway injury from the high temperatures. This is typically supraglottic. By the time it gets down to your lungs the gases have usually cooled enough that you don’t have burning all the way down your lungs. You may begin to develop airway edema. If you have a child who has stridor following a burn injury, they have soot in their oropharynx, you want to establish an airway quickly before it swells shut. So burns to the lip or nose, soot in the mouth, singed nasal hair, stridor, hoarseness or respiratory distress, are all indications for intubation. Don’t wait and hope that they are going to get better. They are going to get worse before they get better and they need an airway.
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Carbon monoxide; combustion releases carbon monoxide. When it’s in a fire it will be associated with soot and other things. You can get carbon monoxide poisoning in other environments. Exhaust systems of furnaces may dysfunction and everyone in the home may in fact have carbon monoxide poisoning. It’s a colorless, odorless gas so they won’t know it until they are losing consciousness or having changes. We are going to talk a little about the pathophysiology, the diagnosis and the therapy. Again, it’s colorless, odorless, non-irritating gas. Sounds like a pretty good way to kill somebody, to me.
Nov 19
OBSTRUCTIVE UROPATHY
Obstructive uropathy lends itself to early detection with ultrasonography. Posterior urethral valves or bladder outlet obstructions are the most common of these disorders, but the obstruction may be at any level of the urinary tract.
In all cases of obstructive uropathy, the rationale behind treatment is that the obstruction itself will lead to permanent renal damage in the developing fetus. Obstruction of the urinary tract will lead to oligohydramnios and pulmonary hypoplasia, which is usually the cause of death in these neonates. Thus, the rationale for invasive therapy is that it will prevent a potentially fatal sequence of events and, if successful, will lead to a favorable long-term prognosis. Ideal candidates for the procedure are fetuses with isolated anomalies who are found in the second or very early third trimester with progressive oligohydramnios but good remaining renal function.
DIAPHRAGMATIC HERNIA
Diaphragmatic hernia is a serious fetal anomaly with a high perinatal mortality rate. Although it may be associated with other fetal anomalies, more frequently it is isolated. Death of neonates from pulmonary hypoplasia is believed to be due to compression of the normal lung in utero by herniated abdominal contents. Various methods of in utero repair have been proposed, including open fetal surgery. In this procedure, a hysterotomy is performed and the exteriorized fetus undergoes surgery to repair the defect and allow normal lung development.
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Traditional clinical findings in skin presentations of candida infection include erythematous papules and nodules, ecthyma-gangrenosum-like ulcerations and verrucous plaques. Purpura fulminans and disseminated intravascular coagulation were described by Silverman et al in a patient with candida sepsis. Purpura fulminans typically is associated with precipitous development of shock, fever, and symmetrically distributed purpuric plaques that form when the skin lesions, which initially are petechiae, rapidly coalesce. In the series of patients described by Silverman et al, the biopsy of skin lesions revealed characteristic histologic changes and pseudohyphae and budding yeast cells amid the necrosis deep in the reticular dermis. When the biopsy material was cultured, it yielded Candida tropicalis, the same organism that was also identified from the blood. Silverman et al concluded that purpura fulminans can provide an early diagnostic clue in patients with candida sepsis.
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Hemorrhagic bullae have been described in patients with Candida tropicalis sepsis. In these patients, it is postulated that the release of lytic enzymes by the invading organisms caused destruction of dermal collagen with resultant bullae formation. Candida tropicalis organisms were present in numerous foci within the cavity of the bullae and around surrounding collagen fibers. In immunocompromised patients, Suster and Rosen concluded that the development of bullous skin lesions could be a sign of disseminated candidiasis. Early diagnosis is enhanced by biopsy and histological examination of lesions.
DIAGNOSIS OF CANDIDEMIA
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The growing importance of fungal species as agents of septicemia-candidemia has resulted in increased efforts to diagnose these infections accurately. Stone et al evaluated the pathogenesis and principles of treatment of Candida species and demonstrated the remarkable efficiency with which the liver cleared candida from venous blood (ratio of 10,000:1); the lungs, striated muscle, and kidneys were less effective but also filtered yeasts from the blood. This phenomenon explains why some suggest that antemortem blood cultures drawn to confirm clinical diagnosis of candidemia should be obtained from a peripheral artery or the right atrium to minimize any influence of tissue filtration. Pizzo and Walsh noted that approximately 40% to 60% of patients with proven hematogenously disseminated candidiasis have negative blood cultures. Simultaneous bacteremia and fungemia reduce the recovery of Candida species in patients with these infections.
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Currently, there are no serodiagnostic tests that are available for widespread use in diagnosing hematogenously disseminated candidiasis. The latex agglutination test is insensitive. Systems designed to detect the presence of fungal D-arainitol in sera are more sensitive than the latex agglutination test but are still under development and thus not widely available. Candidal enolase assays are fraught with false-positive and false-negative results.
The use of calcofluor white, a nonspecific fluorochrome with affinity for chitin and cellulose, to detect fungal elements in clinical specimens was first introduced by Hageague and Harrington in 1984. The use of this technique has eliminated some of the inaccuracies inherent in potassium hydroxide use and has replaced india ink and potassium hydroxide preparations for fungal detection in many clinical microbiology laboratories. Newer techniques, including DNA probes and polymerase chain reaction (PCR), are being investigated for early diagnosis of fungal infections and are important adjuncts in epidemiologic investigations.
Oct 11
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You might hear about ibogaine. Ibogaine is a hallucinogen actually, though it’s a weak one. It’s a serotonergic agent and in preliminary animal studies it seems to reduce self administration for opiates and stimulants. So that’s kind of interesting.
You might hear about ibogaine. Ibogaine is a hallucinogen actually, though it’s a weak one. It’s a serotonergic agent and in preliminary animal studies it seems to reduce self administration for opiates and stimulants. So that’s kind of interesting.
I’m going to skip over concomitant substance abuse except to point out that alcoholism is present in 50% of heroin addicts even treated ones in methadone programs so if you see that question, 50% is huge so it’s called a majority. I would also point out that what if somebody is dependent upon both opiates and benzodiazepines or opiates and alcohol? Well you want to maintain methadone during the alcohol or benzo detox and do the methadone detox later. So that sequence is important.
Now I’m going to cover a couple of other substances. Just nicotine. We’re on the bottom of page 289 and I point out that there has been, in the past five years, a 25% increase in college smoking. Now who wanted that? Well, the advertising industry and the tobacco manufacturers want that and that’s what they got. It’s crossing all the lines of society and it’s very strange.
There are physiologic effects from smoking. Decreasing muscle tone. Decreasing GI motility. This is the reason that Virginia slims. If I don’t feel like eating because my GI tract ain’t doing much when I smoke I’m going to lose weight and retain my youthful figure. So that’s the story behind that. Heart rate goes up so it’s a mild stimulant but it’s important in depression in kids, depression in adults which enhances the relapse rate particularly in women. Cheap levitra at family pharmacy.
So what do we do? Well, we used to think that it was a counseling challenge but the point I want to make and this is on page 290 under letter C, the longitudinal approaches, take a look at item 4. Pharmacotherapy is now the first line approach. Counseling is an important primary issue and can be done in primary care. You don’t have to go to specialized groups but all pharmacotherapies work and they all work about equally well. Viagra professional information – news, articles.
Bupropion is showing nice hard numbers – about 30% are abstinent in a year and that means, well, if the patient relapses try them again. Maybe you’ll get a 60% likelihood of success the second time and it’s just a contraindication in a seizure patient. It can be a problem with anorectic or bulimia patients. We can’t use it if the patient is already on MAOIs. The patch adds some, perhaps another 5 or more percent, and there’s no harm in combining the patch. Think about the patch as a tribute taper not just stopped at the full dose because that leaves the patient experiencing a withdrawal from the patch believe it or not.
A couple of other areas. Cannabinols, page 291, there’s some description of what’s going on there. The key thing to know is that this is now the primary leading illicit substance of abuse in America. More than half of high school seniors are trying marijuana. There are many agents, there are at least many dozens of agents active. Delta-9-THC is probably the highest concentration agent. The therapeutic use. There’s still some data although glaucoma is a little bit less supported now but the antiemetic effect of chemotherapy is still supported.
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