Endocrinology

The FDA has approved a new syntheticconjugated estrogen formulation(Enjuvia), from Duramed Pharmaceuticals,for the management ofmenopausal vasomotor symptoms.This product is the only plant-derivedsynthetic conjugated estrogen compoundthat includes the componentdelta 8,9-dehydroestrone-an activeestrogenic compound.

The FDA has approved the use ofan estradiol transdermal system(Menostar), from Berlex LaboratoriesInc., to prevent osteoporosis in postmenopausalwomen. The hormoneis impregnated in a dime-sized, once a-week patch that delivers 14 μg/d ofestradiol: this dosage is half that ofother currently available transdermalestrogen patches. No supplementaryprogestin therapy is generally needed.This product can be prescribed for women who are without a uterus.The most common side effects areirritation at the patch site, joint pain,and leukorrhea.

Cataracts areone of themost importantcauses ofreversibleblindness in elderly persons.1 A recent report thatpredicts a surge in cataractincidence has heightenedawareness of the importanceof proper timing andtechniques for cataract extraction.The study, authoredby the Eye DiseasesPrevalence ResearchGroup, estimated that thenumber of Americans withcataracts will increase byapproximately 50% in thenext 20 years as the populationages.2 Cataracts werethe leading cause of low vision(less than 20/40 bestcorrected visual acuity inthe better-seeing eye)among whites, blacks, andHispanics.

For several weeks, a 68-year-old man has had painful blisterson his hands that crusted as they healed. The patienthas diabetes mellitus, hypertension, and chronic renalfailure, for which he is undergoing hemodialysis. His longtermmedications include a hypoglycemic agent and adiuretic.

A 62-year-old woman was found on thefloor of her bathroom at home with herwheelchair partially on top of her.She was unresponsive except to painfulstimulus.

A 62-year-old woman presents with severe, sharp pain in her right mid chestthat worsens when she breathes. The pain began the previous night, shortlyafter she had been awakened by a shaking chill, followed by the sensationof fever. She also has a relatively nonproductive cough of recent onset.

When sterile saline is needed for repeatedhome use (eg, for daily cleansingof a foot ulcer), suggest thatthe patient buy an over-the-counter,

The Ottawa ankle rules are said to help in ruling out ankle fractures and cuttingdown on needless ordering of roentgenograms. How effective are they in differentiatingbetween strain or sprain and inflammatory or noninflammatory arthritis inthe ankle?

A 37-year-old man found unresponsiveat home with erratic respiration andurinary incontinence was brought tothe emergency department (ED). Accordingto his family, the patient hadbeen complaining of headaches, vertigo,and mild neck pain for 2 months.During that time, a CT scan of thesinuses revealed chronic sinusitis; thepatient had completed a course ofprednisone, naproxen, and meclizinewithout symptomatic improvement.The day before he was brought to theED, he had presented to a differenthospital with the same complaints andwas given a prescription for antibioticsfor a presumed sinus infection. He haddiet-controlled hypercholesterolemiaand did not smoke.

A preoperative evaluation performed shortly before a 66-year-old man is scheduledto undergo coronary artery bypass graft (CABG) surgery reveals a peripheralblood leukocyte count of 23,500/μL with 28% neutrophils, 70% lymphocytes,and 2% monocytes. The patient’s hemoglobin level is 14.5 g/dL; plateletcount is 265,000/μL.

Dr David Kaplan presented the case of a teenager with aphthous stomatitis in aDermclinic feature.

My patient is a 70-year-old man who has had several episodesof cellulitis in his right thigh; he does not have diabetes.After the third episode, a 1-cm subcutaneous mass was excisedabove the area of recurrent cellulitis.

A 66-year-old woman presents tothe emergency department(ED) with exertional dyspnea, generalizedweakness, and orthostaticdizziness; the symptoms startedabout 1 week earlier and have progressedinsidiously. The patient alsoreports diaphoresis and nausea withoutvomiting. She has no chest pain,palpitations, cough, or hemoptysis;she has not had a recent respiratorytract infection. While she is waitingto be admitted, she has an episode ofsyncope.

My patient is a 78-year-old woman with heart failure and type 2 diabetes, bothof which are well controlled.

Patients with benign essential tremoror Graves disease can have tremorsso fine that they are easily missed onphysical examination.

I recently diagnosed type 2 diabetes mellitus in a 33-year-old man who has no diabeticsymptoms, proteinuria, or evidence of nephropathy. His blood pressure is low(100/60 mm Hg).

My patient is a 78-year-old man who complains of severe exhaustion, lack of energy,and hot flashes.

A 55-year-old constructionworker who spends a gooddeal of time outdoors has had occasionalblurred vision and an irritatedeyelid for several days. He has wellcontrolleddiabetes and hypertension.Which of these conditions doyou suspect?

To facilitate the swallowing movementsthat are key to the examinationof neck swellings-particularlythose of the thyroid gland-give thepatient a full cup of water and askhim or her to drink it slowly whileyou examine the neck.

When you examine patients withGraves disease, be careful when youpalpate the enlarged thyroid gland.

In his article, “Subclinical Hypothyroidism: When to Treat, When to Watch?”(CONSULTANT, April 1, 2004, page 533), Dr Vahab Fatourechi notes that thereis some evidence that subclinical hypothyroidism has adverse effects on cardiovascularfunction that may contribute to left ventricular systolic dysfunction with effort.

When should children who have a family history of either type 1 or type 2 diabetesbe screened for prediabetes?

A 38-year-old overweight woman presents with an asymptomatic rash ofat least 2 months’ duration that had not responded to a combinationcorticosteroid/antifungal agent. She has mild hypertension and type 2 diabetesmellitus that is being managed with diet and exercise. She is otherwisehealthy.

When a patient with diabetes presentswith a foot wound, prompt and aggressiveintervention is required topromote healing and to prevent progressionthat could lead to a leg amputation.Fortunately, the majority ofdiabetic foot wounds heal rapidly withlittle difficulty.

My patient is a 10-year-old boy with asthma. After an exacerbation of his asthmawas treated with albuterol and solumedrol, his blood glucose level was 250 mg/dLwith 1+ glucosuria (no ketones).

Men and women with diabetes are 2 to 4 times more likelythan other persons to die of complications of cardiovasculardisease (CVD). Solid evidence from primary andsecondary prevention trials has prompted the AmericanDiabetes Association to recommend low-dose aspirin therapyfor patients with diabetes who either have or are athigh risk for CVD (Table).

A 64-year-old woman complainsof neck fullness that has increased inthe last few months. She has occasionaldyspnea but denies fever, cough, andhemoptysis. Hypertension is well-controlledwith propranolol.

Is there evidence that treating elevated fasting glucose levels or impairedglucose tolerance, from early in pregnancy until term, improves outcomes(ie, fewer cesarean deliveries, fewer macrosomic babies, fewer patients in whompreeclampsia develops, fewer mothers who subsequently require insulin)?

An 84-year-old man complains of worsening angina pectoris that started3 months earlier. The patient has had aortic stenosis for about 10 years. Healso has diabetes, which is controlled with oral agents.

Long-standing chorioretinal scarring in both eyes didnot affect a 67-year-old woman’s vision. The scars wereroundish, irregular, and yellowish white with interior pigmentation(A and B).