In general order dapoxetine toronto erectile dysfunction causes natural treatment, the rou- tine use of uterine curettage at the time of a diagnostic laparoscopy is unwarranted and may damage t he endomet rium buy 60 mg dapoxetine visa erectile dysfunction drugs associated with increased melanoma risk. Intrauterine adhesions should be suspected if a woman presents with secondary amenorrhea cheap dapoxetine 90 mg with visa impotence word meaning, a negat ive pregnancy test, and does not have progest in-induced wit h- drawal bleeding (see Table 49– 1 for etiologies). There is no consistent correlation between the menstrual bleeding patterns and the extent of intrauterine adhesions. Classic hysterosal- pingogram findings include irregular, angulated filling defects within the uterine cavit y. In cases of sever e int r aut er in e ad h esion s, the cavit y can n ot be sou n d ed, mak- ing t he procedure very difficult to perform. Saline infusion sonohyst erography is an excellent complement t o t he vaginal ultrasound and can allow for the evaluation of the uterine cavit y. In addition, the administ rat ion of conjugated est rogens and progesterone (medroxyprogester- one acetate) should be considered. Since t h ose surgeries, sh e complains of severe, crampy lower abdominal pain “similar t o labor pain” for 5 days of each mont h. H er basal body t emperat ure ch art is biphasic, rising 1°F for 2 weeks of every month. The patient had sequential estrogen and progestin therapy without vaginal bleeding. H er presumptive diagnosis was intrauterine adhesions, which was confirmed with imaging. H er condition usually occurs after uterine curettage for a pregnancy- related process. W hich of the following historical or laboratory pieces of information would support this diagnosis? The biphasic basal body temperature chart suggests normal functioning of the hypothalamus– pituitary– ovarian axis. The crampy abdominal pain most likely is due t o ret rograde menst ruat ion; t hus, this is most likely due t o a cer- vical p r o cess, cer vical st en o sis. If u n t r eat ed, this patient would likely d evelop severe endomet riosis. This is best diagnosed wit h hysteroscopy (direct visualization of endometrial cav- it y) and not laparoscopy (visualized int raperit oneal cavit y). Sequential estrogen and progestin without bleeding indicates a uterine/ cervical etiology. This patient likely has premature ovarian failure since the gonadotropin levels are markedly elevated. The estradiol levels are most likely low, and the patient would not respond to the progestin challenge test since the endo- metrium is too thin to yield any endometrial shedding. A prospective evaluation of uterine abnor- malities by saline infusion sonohysterography in 1009 women with infertility or abnormal uterine bleeding. Th e p at ie nt h ad b e e n t re ate d p re viously wit h rad ioac- tive iodine for Graves disease. Understand that hyperprolactinemia can induce hypothalamic dysfunction leading t o oligo-ovulat ion and irregular menses. Co n s i d e r a t i o n s This patient complains of oligomenorrhea and a white, watery breast discharge, wh ich is likely t o be milk ( galact orrh ea). Causes of galactorrhea include a pituitary adenoma, pregnancy, breast st imulat ion, medicat ions, chest wall t rauma, or hypot hyroidism. This woman had been treated previously wit h radioact ive iodine for Graves disease and is not t aking t hyroid replacement. With primary hypothyroidism, both the thyroid-releasing hormone and thyroid-stimulating hormone are elevated. In turn, follicle development is disrupted, estradiol decreases, and menst rual cycles become irregular or cease. T his pat ient would have no bleeding in response to a progestin challenge test due to insufficient endome- t rium. The secretion can be manifested spontaneously or obtained only by breast examination. To determine if the breast discharge is truly galactorrhea, a smear under microscope will reveal multiple fat droplets. All medications that can stimu- lat e prolact in product ion sh ould be discont inued. A magnet ic resonance scan is the most sensitive test to detect pituitary adenomas, providing 1-mm resolution; it can d et ect vir t u ally all m icr oad en omas. P r olact in sh ou ld be evalu at ed in the m or n - ing when it is at it s lowest physiological level. H ence, a woman wit h galact orrh ea, regular menses, and normal serum prolact in is at low risk for having a prolactinoma. Pat ient s wit h secondary amenorrhea and low levels of serum est rogen (< 40 pg/ mL) have a significantly greater risk of having a pituitary adenoma as well as early onset of osteoporosis. Women with galactorrhea but normal menses and normal serum prolactin levels may be observed. Also, patients with microadenomas who do not wish to conceive and do not have estrogen deficiency may be expect antly managed. O ther patients with pituitary adenomas should receive treatment, which is primarily medical man- agement and rarely surgical. If the hyperprolactinemia is found to be due to hypothyroidism, the patient should be treated with thyroxine. Symptomatic patients with hyperprolactinemia due to a pituitary microadenoma or asymptomatic patients with a macroadenoma should be treated with a dopamine agonist, such as bromocriptine, a nonselective dopa- mine receptor agonist. Its side effects (orthostatic hypotension, fainting, dizziness, and nausea and vomit ing). Cabergolin e is a select ive t ype 2 dopamin e recept or agon ist for pat ient s and has less side effect s and lowers prolact in levels more effect ively; it is also avail- able in depot form. Bot h bromocript ine and cabergoline can be given vaginally if the patient does not tolerate the oral form. Patients with hyperprolactinemia, with or without microadenoma, with adequate estrogen levels (> 40 pg/ mL) and who do not desire pregnancy should be treated with periodic progestin withdrawal. Patients who fail medical therapy may require surgery, which involves trans- sphenoidal microsurgical explorat ion of t he sellat urcica wit h removal of t he pit u- it ary adenoma wh ile preser ving the funct ional capacit y of the remaining gland. Complications of the surgery include t ransient diabetes insipidus (occurs in about one-third), hemorrhage, meningitis, cerebrospinal fluid leak, and panhypopituita- rism. Cure rate is directly related to the pretreatment prolactin levels (prolactin level of 100 ng/ mL h as an excellent prognosis, wh ereas 200 ng/ mL h as a poor prognosis). It may be preferable to reduce the size of the macroadenoma with bro- mocriptine before surgical removal of these tumors. W ith uterine adhesions, the hor- monal axis (hypothalamus, pituitary, ovary) is normal.
Usually with volume control discount 90 mg dapoxetine mastercard erectile dysfunction early age, tV and inspiratory fow are chosen by the clinician (inspiratory fow is often set indirectly by choosing the respiratory rate quality 60mg dapoxetine erectile dysfunction drugs over the counter canada, inspiratory:expiratory ratio order dapoxetine 60mg mastercard erectile dysfunction statistics 2014, and tidal volume, e. Delivered volume is controlled, but airway pressure is dependent on resistance (for peak pressure) and compliance (for plateau pressure) (2a). No beneft in signifcant outcomes has ever been demonstrated for either mode over the other. Modern ventilators can deliver breaths with characteristics of both types of breath, called dual control or hybrid breaths (e. Limit the term limit refers to any variable which reaches a preset value before inspiration ends. Inspiratory to expiratory cycling—the start of expiration expiration starts when a preset value of fow, time, volume (or pressure) is reached. Pressure cycling is now only used as a safety backup for other forms of cycling, i. Mandatory vs spontaneous and patient-ventilator synchrony Mandatory breaths are machine triggered or cycled. In an active patient, patient ventilator interaction during expiration is the same. During the second (trigger) window, patient efort will trigger a time-cycled mandatory breath. Patient eforts are allowed, and superimposed on the time-cycled inspiratory pressure. Difculties include inspiratory trigger delay, inefective triggering, double triggering, auto triggering, inspiratory time extension, early expiratory cycling, and failure of expiratory cycling. Complications encountered in mechanical ventilation Complications of endotracheal tube • Ventilator-associated pneumonia • tracheal stenosis • Vocal cord injury • tracheo-oesophageal fstula • Sinusitis. Both changes in lung volume and changes in intrathoracic pressure con- tribute to these consequences. Potential benefts of positive intrathoracic pressure • Alveolar recruitment: • Reduced shunt • i V/Q. Detrimental heart lung interactions can be minimized by preventing both hyperinfation and alveolar derecruitment, reducing work of breathing, pre- venting volume overload during weaning, and avoiding negative pressure swings in intrathoracic pressure during spontaneous breathing. It increases FrC, recruits alveoli, reduces shunt, helps prevent atelectrauma and reduces preload and afterload. A full discussion of the best way to set the level of PeeP is out with the scope of this chapter. Ventilator Induced Lung Injury this term encompasses barotrauma (injury due to excessive pressure) and volutrauma (injury due to excessive volume) – in combination these pro- duce alveolar strain (defned as the ratio between the amount of gas volume delivered compared with the amount of aerated lung receiving it). Acknowledgement this section is adapted from Anaesthesia & Intensive Care Medicine, 4, 0, Martin hughes et al. It will improve oxy- genation, increase minute ventilation, and usually reduce work of breathing. Cardiogenic pulmonary oedema i lung water secondary to interstitial and alveolar oedema increases the elastic workload of the lung and reduces compliance. Use of non-invasive ventilation to wean critically ill adults of invasive ventilation: meta-analysis and systematic review. Noninvasive ventilation in exacerbations of chronic obstructive pulmonary dis- ease: implications of diferent meta-analytic strategies. Non-invasive positive pressure ventilation for treatment of respiratory failure due to exacerbations of chronic obstructive pulmonary disease. It need not be a prolonged process, and many patients are weaned immediately postoperatively. Unnecessary prolongation of ventilation is costly and associated with an i risk of ventilator-associated pneumonia, lung injury, and delirium. Titration of respiratory support A process of active weaning is diferent from the titration of respiratory support while the wean screen (see later in topic) excludes the patient from a spontaneous breathing trial. Consider both the support required for oxygenation, and the support required for work of breathing. Inspiratory pressures, on the other hand, are reduced as tidal volume improves with i compliance, and if work of breathing is reasonable. Assessment of suitability for weaning Prediction of successful weaning has been the subject of much investiga- tion. Unfortunately, the likelihood ratios are not large enough to make these measurements a real alternative to spontaneous breathing trials. If the wean screen is passed, a spontaneous breathing trial is undertaken and suitability for extubation (see b extubation, p. Wean screen • Adequate resolution of underlying disease • Pao2/Fio2 > 25kPa, PeeP ≤8cmh2o • Low-dose inotropic or vasoconstrictor support • Capable of spontaneous breaths. Spontaneous breathing trials Spontaneous breathing trials do not take account of the preconditions to extubation (see b extubation, p. After a prolonged weaning process, progressively increasing the dura- tion of the trial until the trial lasts ≥24 hours may be appropriate. Despite a reluctance to use such protocols, in trials they outperform or match more traditional methods of weaning. Management of weaning failure Identify factors which increase respiratory load or decrease respiratory capacity. It allows accurate assessment of lung parenchyma and pleural disease: • exclude infection. Cardiovascular • If echocardiography is normal, repeat during a spontaneous breathing trial. Chapter 27 287 Circulatory support Pharmacological support 288 Mechanical circulatory support: extracorporeal life support 294 288 ChaPter 27 Circulatory support Pharmacological support there is a lack of robust clinical evidence demonstrating a positive impact on survival concerning the use of vasoactive agents. Inotropic agents Catecholamines Catecholamines exert their cardiovascular efects via activity at specifc adr- energic (a, β, β2) and dopaminergic (D) receptors. Sensitive β receptor efects are evident at low plasma concentrations while α efects become more prominent at higher concentrations. Clinical indications • Pulmonary hypertension and/or rV dysfunction with potential reversibility, e. Clinical use • Initial dose: 20ppm, with subsequent reduction to achieve minimum efective dose (usually –5ppm). Where recovery or transplantation is not anticipated in a period of 28 days but is likely to occur, a long-term VaD may be used. Contraindications • Severe aortic regurgitation • Severe calcifc aorto-iliac disease and/or peripheral vascular disease • Disease of the descending aorta (aortic coarctation or aneurysm) • Sheathless insertion in severe obesity. Despite this anticoagulation with unfractionated heparin is required which must be carefully monitored by frequent activated partial thromboplastin times (aPtts). Treatment strategy • Bridge to decision • Bridge to recovery • Bridge to bridge (long-term device) • Bridge to transplantation. Indications • Dilated cardiomyopathy: • Ischaemic • Myocarditis • Peripartum • Post cardiotomy • Congenital heart disease • Primary graft failure post cardiac transplantation. Worldwide as the survival on VaDs has improved, the use of long-term VaDs for destination therapy has i. Complications were common and tended to be infection, bleeding or thromboembolic related.
Specifically purchase dapoxetine 30mg amex erectile dysfunction exercise video, they greatly enhance the activity of antithrombin discount dapoxetine generic impotence 1, a protein that inactivates two major clotting factors: thrombin and factor Xa buy discount dapoxetine line webmd erectile dysfunction treatment. In the absence of thrombin and factor Xa, production of fibrin is reduced, and hence clotting is suppressed. Although all three activate antithrombin, they do not have equal effects on thrombin and factor Xa. Heparin (Unfractionated) Heparin is a rapid-acting anticoagulant administered only by injection. Heparin differs from warfarin (an oral anticoagulant) in several respects, including mechanism, time course, indications, and management of overdose. Chemistry Heparin is not a single molecule, but rather a mixture of long polysaccharide chains, with molecular weights that range from 3000 to 30,000. The active region is a unique pentasaccharide (five-sugar) sequence found randomly along the chain. Because of these negative charges, heparin is highly polar and hence cannot readily cross membranes. Mechanism of Anticoagulant Action Heparin suppresses coagulation by helping antithrombin inactivate clotting factors, primarily thrombin and factor Xa. To inactivate thrombin, heparin must simultaneously bind with both thrombin and antithrombin, thereby forming a ternary complex. In contrast, to inactivate factor Xa, heparin binds only with antithrombin; heparin itself does not bind with factor Xa. All three drugs share a pentasaccharide sequence that allows them to bind with—and activate—antithrombin, a protein that inactivates two major clotting factors: thrombin and factor Xa. All three drugs enable antithrombin to inactivate factor Xa, but only heparin also facilitates inactivation of thrombin. Upper panel: Unfractionated heparin binds with antithrombin, causing a conformational change in antithrombin that greatly increases its ability to interact with factor Xa and thrombin. When the heparin-antithrombin complex binds with thrombin, heparin changes its conformation so that both heparin and antithrombin come in contact with thrombin. Inactivation of factor Xa is different: it only requires contact between activated antithrombin and factor Xa; contact between heparin and factor Xa is unnecessary. By activating antithrombin, and thereby promoting the inactivation of thrombin and factor Xa, heparin ultimately suppresses formation of fibrin. Because fibrin forms the framework of thrombi in veins, heparin is especially useful for prophylaxis of venous thrombosis. Because it cannot cross membranes, heparin does not traverse the placenta and does not enter breast milk. Heparin binds nonspecifically to plasma proteins, mononuclear cells, and endothelial cells. However, in patients with hepatic or renal impairment, the half-life is increased. In addition, heparin is used for patients undergoing open heart surgery and renal dialysis; during these procedures, heparin serves to prevent coagulation in devices of extracorporeal circulation (heart-lung machines, dialyzers). Heparin may also be useful for treating disseminated intravascular coagulation, a complex disorder in which fibrin clots form throughout the vascular system and in which bleeding tendencies may be present; bleeding can occur because massive fibrin production consumes available supplies of clotting factors. Bleeding develops in about 10% of patients and is the principal complication of treatment. These include reduced blood pressure, increased heart rate, bruises, petechiae, hematomas, red or black stools, cloudy or discolored urine, pelvic pain (suggesting ovarian hemorrhage), headache or faintness (suggesting cerebral hemorrhage), and lumbar pain (suggesting adrenal hemorrhage). First, dosage should be carefully controlled so that the activated partial thromboplastin time (see later) does not exceed 2 times the control value. In addition, candidates for heparin therapy should be screened for risk factors (see “Warnings and Contraindications”). B l a c k B o x Wa r n i n g : S p i n a l o r E p i d u r a l H e m a t o m a Heparin and all other anticoagulants pose a risk for spinal or epidural hematoma in patients undergoing spinal puncture or spinal or epidural anesthesia. Pressure on the spinal cord caused by the bleed can result in prolonged or permanent paralysis. Risk for hematoma is increased by the following: • Use of an indwelling epidural catheter • Use of other anticoagulants (e. This is a potentially fatal immune-mediated disorder characterized by reduced platelet counts (thrombocytopenia) and a seemingly paradoxical increase in thrombotic events. The underlying cause is development of antibodies against heparin–platelet protein complexes. These antibodies activate platelets and damage the vascular endothelium, thereby promoting both thrombosis and a rapid loss of circulating platelets. Ischemic injury secondary to thrombosis in the limbs may require amputation of an arm or leg. Platelet counts should be determined frequently (2–3 times a week) during the first 3 weeks of heparin use and monthly thereafter. If 3 severe thrombocytopenia develops (platelet count below 100,000/mm ), heparin should be discontinued. Because commercial heparin is extracted from animal tissues, these preparations may be contaminated with antigens that can promote allergy. Vasospastic reactions that persist for several hours may develop after 1 or more weeks of treatment. Heparin must be used with extreme caution in all patients who have a high likelihood of bleeding. Among these are individuals with hemophilia, increased capillary permeability, dissecting aneurysm, peptic ulcer disease, severe hypertension, or threatened abortion. Heparin must also be used cautiously in patients with severe disease of the liver or kidneys. Heparin is contraindicated for patients with thrombocytopenia and uncontrollable bleeding. In addition, heparin should be avoided both during and immediately after surgery of the eye, brain, or spinal cord. Drug Interactions In heparin-treated patients, platelet aggregation is the major remaining defense against hemorrhage. Aspirin and other drugs that depress platelet function or affect coagulation will weaken this defense and hence must be employed with caution. Laboratory Monitoring The objective of anticoagulant therapy is to reduce blood coagulability to a level that is low enough to prevent thrombosis but not so low as to promote spontaneous bleeding. Because heparin levels can be highly variable, achieving this goal is difficult and requires careful control of dosage based on frequent tests of coagulation. Heparin dosage is titrated on the basis of laboratory monitoring, and hence dosage can be adjusted as needed based on test results. Heparin sodium is supplied in single-dose vials; multidose vials; and unit-dose, preloaded syringes that have their own needles. Two routes are employed: intravenous (either intermittent or continuous) and subcutaneous. Heparin is not administered orally because heparin is too large and too polar to permit intestinal absorption. Postoperative prophylaxis of thrombosis, for example, requires relatively small doses.
Rhinoplasty pearls: value of the endonasal approach ments to tip position (tripod model) order genuine dapoxetine on line erectile dysfunction bipolar medication. An update on indications dapoxetine 60 mg free shipping erectile dysfunction treatment in india, techniques discount dapoxetine 60mg without a prescription erectile dysfunction relationship, and alize rhinoplasty into larger “framework” surgery that aﬀects the tip results. Measurement of preoperative and postoperative nasal tip position and smaller “finishing” measures that aﬀect tip shape. The tripod theory of nasal tip support revisited: tip to look overprojected and overrotated after local infiltration the cantilevered spring model. Litner Nasal tip refinement is arguably the most difficult aspect of rhi- plasty, our concept of tip dynamics must also keep pace to opti- noplasty. Although we are well familiarized with the techniques mally aid in surgical planning and execution. To this end, an intimate knowledge of understanding of the relative eﬀects of tip-altering maneuvers nasal tip dynamics as they apply to the cartilaginous tip super- on the major nasal parameters of length, projection, rotation, structure is most advantageous. Anderson in 1969 was an early seminal work in and easily applied to shortening maneuvers of the crural feet, advancing our collective understanding of these dynamics. The M-arch model views cartilages as a tripod whose legs are represented by the two the lower lateral cartilages as paired parabolic cartilaginous lateral crura and conjoint medial crura. This concept was origi- arches having their vertices at the tip defining points nally conceived to theoretically describe the eﬀects of tip reduc-. The defining distinction from the tripod concept tion maneuvers by shortening of the tripod’s legs. At the time, relates to the overall length of the arch and the specific location rhinoplasty was largely a reductive operation and eﬀorts to of a particular maneuver within the arch. The tripod concept increase projection were restricted to Goldman-type maneu- predicts a uniform eﬀect on tip rotation and projection for a vers. Lobule grafting was not part of the popular culture of the given shortening maneuver. The M-arch model, by contrast, day and, in fact, was not really written much about until the recognizes that an equal amount of shortening or lengthening 1970s. More 1970s, our levels of knowledge and sophistication with respect specifically, alteration of the arch nearest to the tip-defining to tip refinement have evolved with popularization of the open point will more greatly aﬀect projection whereas adjustment of rhinoplasty approach3 and increasing reliance on suture refine- the arch by the same amount nearest the crural feet will prefer- ment and other preservationist philosophies. This phenomenon can be accounted ing of tip anatomy has become more nuanced, such as by the for by the relative anatomy of the tripod arch, which has greater introduction and further characterization of the intermediate vertical height in the anterior-posterior and cephalocaudal crura. It is fitting that, in this more progressive era of rhino- dimensions nearest the base (lateral and medial crural feet); Fig. Division at the tip-defining point preferentially causes horizontal arch shortening with lobule narrowing, and division at the angle of the medial and intermediate crura causes more vertical shortening, with resultant deprojection. This finding provides the keystone for the Likewise, the M-arch model may be utilized to theorize gains in M-arch model. Although absolute lengthening of the lower lat- procedure, whether by suturing, cutting, or grafting techniques, eral cartilage is not achievable, eﬀective lengthening may be is predicated on this overriding concept. This is accomplished by increasing the vertical segment of the arch in relation to, or at the expense of, its horizontal seg- 33. Traditionally, this was done with a Goldman technique It is well recognized that a minor degree of deprojection can with vertical arch division lateral to the tip-defining points and be achieved by weakening of nasal tip supports such as by a medialization of the medial segments. It has been recognized full transfixion incision or by shortening of the caudal sep- that this maneuver may encourage tip instability with healing tum or nasal spine. These techniques may be destabilizing and, as such, suture and grafting techniques are more com- and conducive to polly beak formation and are not usually monly employed at this time. Suture techniques such as the lat- eral crural steal5 eﬀectively increase the vertical arch segment sufficient to achieve the desired degree of deprojection when the March is noted to be excessively long. Shortening maneu- by borrowing length from the more horizontal segment just lat- vers that directly address the March’s excessive length hold eral to the tip-defining point. These comprise the potential for achieve improvements in projection by adding apparent length achieving greater deprojection, more predictable healing out- or vertical height to the M-arch. In our practice, columellar comes, and preservation or even strengthening of the tip struts are routinely used to maintain the length and strength of complex. Additionally, she wished rotation is desired, we find the lateral crural overlay techni- to have her dorsum conservatively reduced. Lateral crural height was noted to be short with some associated fullness of contour abnormalities or asymmetries may also be corrected the nasolabial angle. Alternatively, when lobular contour is jection to be fairly adequate with only slight counterrotation. To achieve asymmetry in addition to irregularities of the lobular-colum- lobular refinement without adversely aﬀecting the remaining ellar relationship such as a hanging infratip. Vertical lobule nasal parameters, it was necessary to narrow the M-arch with- division nearest the angle of the medial and intermediate out generating much vertical shortening. On using a ‘‘swinging door’’ technique along with conservative the other hand, division nearest the tip-defining point will dorsal reduction. Medial fading abbreviated and lateral osteoto- primarily achieve arch shortening with narrowing of the mies were utilized to narrow the bony pyramid and close the lobule. The caudal septum was taken down just within the intermediate crus so that the overlap is concealed enough to allow space for a columellar strut following deepen- in the infratip region postoperatively. The tip was refined by moderate be supplemented by suture techniques such as single dome horizontal cephalic margin resection. Further narrowing of the unit sutures to individually narrow each domal arch and broad domal arches was achieved by scoring of the domes to double dome unit or interdomal sutures to medialize the create new tip-defining points followed by symmetrical single domal arches. Horizontal marked improvement in tip bulbosity without significant cephalic cartilage excision, as opposed to vertical division, changes in tip projection, rotation, or nasal length. Uni- Overprojected Tip lateral or asymmetric divisions or combinations of various maneuvers may be exploited in a graduated fashion and cus- Unlike the first case, the patient in ▶Fig. Thick skin in this situation requires preferential shortening of the intermediate crura in reference to more aggressive reductive maneuvers to achieve the desired the medial crura to restore a more natural lobular-columellar refinement of the supratip region. Good narrowing of the domal arches and preserve a healthy lower lateral cartilage complex to support improved lobule definition can also be obtained with this the heavier tip skin. Excessive lateral crural length and flare, and associ- broad and elongated M-arch having excessive length of primar- ated overprojection with apparent counterrotation, were ily the lateral crura. Shortened intermediate and medial crura treated utilizing a lateral crural overlay technique. This is a most contribute to a decreased lobular-to-columellar ratio, giving the powerful maneuver for achieving shortening of the lateral crura appearance of abnormal columellar height. We generally find that 1 to 3mm of overlap of the divided seg- We elected to employ several reductive tip maneuvers in this ments is adequate to produce the desired eﬀects. Arch length segment generally should overlie the lateral segment so that was shortened by application of a vertical lobule division within any step-oﬀ is hidden deep to the thicker skin of the hinge area. This achieves Two-point fixation is always advisable using two sutures to 261 Tip Rhinoplasty Fig. Although permanent suture may be reconstituted using a horizontal mattress suture through the used for this purpose, we now prefer use of absorbable suture dorsal septum to prevent postoperative internal valve collapse.